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General Radio Company (later, GenRad) was a broad-line manufacturer of electronic test equipment.  Each book is in high resolution PDF format.

 

 

General Radio Experimenter

490 Total Historic Manuals on DVD included

General Radio Experimenter General Radio Experimenter General Radio Experimenter General Radio Experimenter

   Learn all about the entire history of General Radio!

The best selling General Radio Collection on one easy to use DVD! 

General Radio Experimenter General Radio Experimenter

A must have resource for any collector who wants the complete set of General Radio Publications.

Neatly organized titles as shown, on one easy to use DVD.

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General Radio Company (later, GenRad) was a broad-line manufacturer of electronic test equipment. Started in Cambridge, Massachusetts in 1915 by Melville Eastham, the company moved to West Concord in the 1950s. There, it became a major player in the automatic test equipment (ATE) business, manufacturing a line of testers for assembled printed circuit boards. It also produced extensive lines of electrical component measuring equipment, sound and vibration measurement and RLC standards.

The classic GenRad instrument line including RLC standards and decades, Digibridges, LCR meters, megohmmeters, stroboscopes, and sound level meters continues to be manufactured and supported by IET Labs, Inc. in West Roxbury, MA.

Among General Radio's accomplishments over the years have been:

The introduction of one of the world's first portable oscilloscopes

The production of many high-precision standards for resistance and capacitance

The commercial production of the stroboscope as the Strobotac

The commercial production of the sound level meter

Commercial invention of the binding post.

Invention of the GR connector

The Variac variable autotransformer

This collection includes all known back issues, dating back to 1926, as well as additional bonus material, such as the first 5 volumes of General Radio News, and General Radio History books, 490 publications in all:

1926

Announcing a New General Radio Service for Experimenters - GenRad Experimenter June 1926

The "B" Battery Eliminator - GenRad Experimenter July 1926

The Design and Use of the Speaker Filter- GenRad Experimenter Aug 1926

The Status of "A" Battery Retrofit Elimination - GenRad Experimenter Oct 1926

An Effective Method of Measuring Amplification Nov 1926 - GenRad Experimenter Nov 1926

An Effective Method of Measuring Amplification Nov 1926 - GenRad Experimenter Dec 1926

 

1927

Design And Testing Of Plate Supply Devices - GenRad Experimenter Jan 1927

A Study Of Coil Resistances At 40 Meters - GenRad Experimenter Feb 1927

A Discussion Of Condenser Plate Shapes - GenRad Experimenter March 1927

New Tubes For Old - GenRad Experimenter April 1927

A Review Of Coupling Methods - GenRad Experimenter May 1927

The Design And Use Of The Radio Frequency Choke - GenRad Experimenter June 1927

Compete A.C. Operation A Practical Reality - GenRad Experimenter July 1927

Further Data On New A.C. Tubes - GenRad Experimenter Aug 1927

Unique Method Of Voltage Control Adapts Unit To Any Standard Type Of Receiver - GenRad Experimenter Sept 1927

Power Amplification - GenRad Experimenter Oct 1927

An A.C. Operated Amplifier With A High Quality Power Output - GenRad Experimenter Nov 1927

Factors Governing The Choice Of Power Tubes - GenRad Experimenter Dec 1927

 

1928

The Development and Use of the Hydrophone - GenRad Experimneter Jan 1928

Equipment of the Service Laboratory GenRad Experimenter Feb 1928

Factors Concerning the Use of the Type UX 250 Power Amplifier Tube - GenRad Experimenter March 1928

A Phonograph Amplifier - GenRad Experimenter April 1928

The Development and Use of the Hydrophone - GenRad Experimenter May 1928

Magneto-Striction Oscillators - GenRad Experimenter June 1928

A Direct to Consumer Policy - GenRad Experimenter July 1928

Magnetostriction Oscillators - GenRad Experimenter Aug 1928

Notes on Group Address Systems - GenRad Experimenter Sept 1928

The Development and Use of the Hydrophone - GenRad Experimenter Oct 1928

Rating of Radio Receiviers - GenRad Experimente Nov 1928

How and Why the Talkies - GenRad Experimenter Dec 1928 

 

1929

Units of Electrical Transmission - GenRad Experimenter Jan 1929

A New Relay - GenRad Experiimenter Feb 1929

Frequency Determination - GenRad Experimenter March 1929

A New Frequency Standard - GenRad Experimenter April 1929

Permalloy - GenRad Experimenter May 1929

Production Testing of Audio-Frequency Amplifiers - GenRad Experimenter June 1929

The Importance of Mutual Conductance in Testing Vacuum Tubes - GenRad Experimenter July-Aug 1929

Improving The Precision of Setting In A Tuned-Circuit Wavemeter - GenRad Experimenter Sept 1929

A Low-Frequency Oscillator - GenRad Experimenter Oct 1929

Notes On Power Measurement In Communication Circuits - GenRad Experimenter Nov 1929

Television: A Comparison With Other Kinds of Electrical Communication - GenRad Experimenter Dec 1929

 

1930

An Equal-Arm Capacitance Bridge - GenRad Experimenter Jan 1930

Piezo-Electric Quartz Plates - GenRad Experimenter Feb 1930

The Standard-Signal Method of Measuring Receiver Characteristics - GenRad Experimenter March 1930

A Tuning-Fork Audio Oscillator - GenRad Experimenter April 1930

Th Dynatron - GenRad Experimenter May 1930

We Celebrate A Birthday - GenRad Expermenter June 1930

The Continuous Recording of Pulse Rates - GenRad Experimenter July 1930

Accuracy Considerations In The Use of Tuned-Circuit Wavemeters - GenRad Experimenter Aug 1930

Electrically-Driven Tuning Forks - GenRad Experimenter Sept 1930

The Frequency Stability of Piezo-Electric Monitors - GenRad Experimenter Oct 1930

The Frequency Stability of Piezo-Electric Monitors II - GenRad Experimenter Nov 1930

The New Home of The Engineering Department - GenRad Experimenter Dec 1930

 

1931

Field Intensity Measurements - GenRad Experimenter Jan 1931

Attenuation Measurements On Telephone And Telegraph Lines - GenRad Experimenter Feb 1931

Modulation Measurements On Broadcast Transmitters - GenRad Experimenter March 1931

A Continuous-Film Camera For The Oscillograph - GenRad Experimenter April 1931

Electron Oscillations - GenRad Experimenter May 1931

Volume Control In Voice Circuits - GenRad Experimenter June 1931

What's New In Radio - GenRad Experimenter July 1931

Speeding Up The Standard Signal Generator - GenRad Experimenter Aug 1931

Some Uses For A Precision Chronograph - GenRad Experimenter Sept 1931

Thermocouples - GenRad Experimenter Oct 1931

A Bridge-Type Frequency Meter - GenRad Experimenter Nov 1931

A Piezo-Electric Oscillator of Improved Stability - GenRad Experimenter Dec 1931

 

1932

A Universal Bridge - GenRad Experimenter Jan 1932

Frequency Characteristics - GenRad Experimenter Feb 1932

The Michelson Velocity of Light Experiment - March 1932

Testing Radio Receivers On The Assembly Line - GenRad Experimenter April 1932

New Measuring Instruments - GenRad Experimenter May 1932

Waveform Studies With The Cathode-Ray Oscillograph - GenRad Experimenter June 1932

Bridge Methods For Measurements At Radio Frequencies - GenRad Experimenter July 1932

Telephone Transmission Measurements - GenRad Experimenter Aug 1932

Inexpensive Noise-Measuring Equipment - GenRad Experimenter Sept 1932

The Wavemeter Yields - GenRad Experimenter Oct 1932

A Signal Generator For The New Receiver Tests - GenRad Experimenter Nov 1932

The Stroboscope - GenRad Experimenter Dec 1932

 

1933

Recent Developments In Mica Condensers - GenRad Experimenter Jan 1933

Mixer Controls For Dynamic Microphones And Ribbon Microphones - GenRad Experimenter Feb 1933

Mixer Circuits That Work - GenRad Experimenter March 1933

The Convenient Measurement Of C, R, And L - GenRad Experimenter April-May 1933

Some Improvements In Cathode-Ray Oscillographs - GenRad Experiimenter June-July 1933

Chronograph Measurements In Chemistry - GenRad Experimenter Aug-Sept 1933

Simplifying Experimental-Equipment Construction - GenRad Experimenter Oct 1933

Cathode-Ray Oscillographs And Their Applications - GenRad Experimenter Nov 1933

Improvements In Radio-Frequency Bridge Methods For Measuring Antennas And Other Impedances - GenRad Experimenter Dec 1933

 

1934

Recent Developments In Frequency Standards - GenRad Experimenter Jan-Feb 1934

The Measurement Of A Small Inductance - GenRad Experimenter March 1934

The General Radio-Hazeltine Reactance Meter - GenRad Experimenter April 1934

How Dials Are Made - GenRad Experimenter May 1934

New Developments In Electron Oscillography - GenRad Experimenter June 1934

Impedance Matching - GenRad Experimenter July-Aug 1934

Power Factor Measurements In Oil Analysis - GenRad Experimenter Sept-Oct 1934

A New Moving-Film Camera - GenRad Experimenter Nov-Dec 1934

 

1935

Monitoring of Broadcasting Stations Part I - GenRad Experimenter Jan 1935

Monitoring of Broadcasting Stations Part II - GenRad Experimenter Feb 1935

Waveform Errors In The Measurement Of Filter Characteristics - GenRad Experimenter Mar 1935

Using The Noise Meter With A Vibration Pickup - GenRad Experimenter April 1935

An Improved Audio Oscillator - GenRad Experimenter May 1935

A Review Of 20 Years Of Progress In Communication-Frequency Measurements - GenRad Experimenter June 1935

Wide-Range Transformers - GenRad Experimenter July 1935

A New Stroboscope For Speed Measurements - GenRad Experimenter Aug 1935

An A-C Operated Resistance-Coupled Amplifier - GenRad Experimenter Sept 1935

Shielded Transformers For Impedance Bridges - GenRad Experimenter Oct 1935

Waveform Errors In The Measurement Of Power Transformer Losses - GenRad Experimenter Nov 1935

The New Modulation Monitors - Dec 1935

 

1936

A New Precision Condenser - GenRad Experimenter Jan 1936

Measurement Of The Impedance Of The Human Body - GenRad Experimenter Feb 1936

A New Precision Wavemeter - GenRad Experimenter March 1936

Better Mixer Controls - GenRad Experimenter April 1936

A Precision Tuning Fork - GenRad Experimenter May 1936

A Modern Standard-Signal Generator - GenRad Experimenter June 1936

Quiet, Please - GenRad Experimenter July-Aug 1936

Convenience In Noise Measurement A Really Portable Sound Level Meter - GenRad Experimenter Sept-Oct 1936

Losses In Audio-Frequency Coils - GenRad Experimenter Nov 1936

An Audio-Frequency Schering Bridge - GenRad Experimenter Dec 1936

 

1937

The Measurement Of Mutual Inductance - GenRad Experimenter Jan 1937

Building Into An Air Condenser - GenRad Experimenter Feb 1937

Tuning The Type 814-A Amplifier - GenRad Experimenter March 1937

Distortion Measurements In The Broadcasting Station - GenRad Experimenter April 1937

Type 726-A Vacuum - Tube Voltmeter - GenRad Experimenter May 1937

A High-Frequency Voltage Standard - GenRad Experimenter June 1937

The Megohm Bridge - GenRad Experimenter July 1937

A New Instrument And A New Circuit For Coil Or Condenser Checking - GenRad Experiment Aug-Sept 1937

A Peak-Reading Power-Level Indicator For Monitoring Broadcast & Sound Recording Circuits - GenRad Experimenter Oct 1937

A Radio-Frequency Source For The Laboratory - GenRad Experimenter Nov 1937

Noise Steps Out - GenRad Experimenter Dec 1937

 

1938

Connection Errors In Capacitance Measurements - GenRad Experimenter Jan 1938

A Frequency-Limit Monitor For The High-Frequency Bands - GenRad Experimenter Feb 1938

Modern Improvements For The Beat-Frequency Oscillator - GenRad Experimenter March 1938

A-C Operation For Type 613-B Beat-Frequency Oscillator - GenRad Experimenter April 1938

The Variac Transformer - GenRad Experimenter May 1938

A Wide-Range Capacitance Test Bridge - GenRad Experimenter June 1938

Radio Receiver Tests With Type 732-A Distortion And Noise Meter - GenRad Experimenter July 1938

The Type 726-A Vacuum-Tube Voltmerer As A Radio-Freqency Ammeter - GenRad Experimenter Aug-Sept 1938

A High-Frequency Model Of The Precision Condenser - GenRad Experimenter Oct-Nov 1938

The New Wave Analyzers - Some Of Its Features - GenRad Experimenter Dec 1938

 

1939

A Beat-Frequency Oscillator For Wide-Band Measurements - GenRad Experimenter Jan 1939

A-C Operated Direct-Current Amplifier For Industrial Use - GenRad Experimenter Feb 1939

A Low-Distortion Oscillator - GenRad Experimenter April 1939

A 500-Volt Megohm Bridge - GenRad Experimenter June 1939

New Models Of The Variac - GenRad Experiementer July 1939

A New Condenser For High-Frequency Circuits - GenRad Experimenter Aug 1939

Impedance Measurements at High Frequencies with Standard Parts - GenRad Experimenter Sept 1939

Network Testing With Square Waves - GenRad Experimenter Dec 1939

 

1940

A Broadcast Frequency Monitor For The 20-Cycle Rule - GenRad Experimenter Jan 1940

Routine Frequency Measurements To 0.005% - GenRad Experimenter Feb 1940

A Guard Circuit For Capacitance Bridge Measurements - GenRad Experimenter March 1940

Transient Response Of A Broadcast System - GenRad Experimenter April 1940

A Voltage Multiplier For Use With The Vacuum-Tube Voltmeters At Radio Frequencies - GenRad Experimenter May 1940

The General Radio Company - GenRad Experimenter June 1940

A Portable Megohmmeter - GenRad Experimenter July 1940

Direct-Reading Wavemeter For Ultra High Frequences - GenRad Experimenter Aug 1940

An Improved Measuring Circuit for the Susceptance Variatation Method - GenRad Experimenter Sept -Oct 1940

Single-Flash Photography with the Strobotac and the Strobolux - GenRad Experimenter Nov 1940

Radio-Frequency Characteristics of Decade Resistors - GenRad Experimenter Dec 1940

 

1941

A New Null Instrument For Measuring High-Frequency - GenRad Experimenter Jan 1941

An Improved Ultra-High Frequency Signal Generator - GenRad Experimenter Feb 1941

Deliveries - GenRad Experimenter March 1941

Instrument Specifications - GenRad Experimenter April 1941

Radio-Frequency Characteristics Of The Type 726-A Vacuum Tube Voltmeter - GenRad Experimenter May 1941

The Vibration Meter-A New Electronic Tool For Industry - GenRad Experimenter June 1941

Impedance Bridges Assembled From Laboratory Parts - GenRad Experimenter July 1941

Impedance Bridges Assembled From Laboratory Parts-Part II - GenRad Experimenter Aug 1941

The Microflash - A Light Source for Ultra0High Speed Photography - GenRad Experimenter Sept 1941

A Vacuum Tube Driven Tuning Fork Oscillator - GenRad Experimenter Oct 1941

A Redesign of the Vacuum Tube Bridge - GenRad Experimenter Nov 1941

Impedance Bridges Assembled from Laboratory Parts Part VI - GenRad Experimenter Dec 1941

 

1942

An A-C-Operated Power Supply For The Sound-Level Meter - GenRad Experimenter Jan 1942

The Measurement & Analysis Of Linear & Torsional Vibrations With Electronic Instruments - GenRad Experimenter Feb 1942

How Good Is An Iron-Cored Coil? - GenRad Experimenter March 1942

Increased Power-Factor Range For The Capacitance Bridge - GenRad Experimenter April 1942

The Type 727-A Vacuum-Tube Voltmeter-A Portable Battery-Operated Instrument - GenRad Experimenter May 1942

Antenna Measurements With The Radio-Frequency Bridge - GenRad Experimenter June 1942

Bringing The Beat-Frequency Oscillator Up To Date - GenRad Experimenter July 1942

A New R-F Bridge For Use At Frequencies Up To 60 MC - GenRad Experimenter Aug 1942

A General Purpose Wavemeter - GenRad Experimenter Sept. 1942

Frequency Characteristics Of Decade Condensers - GenRad Experimenter Oct 1942

Progress In Signal Generator Design - GenRad Experimenter Nov 1942

Order Now For Future Delivery - GenRad Experimenter Dec 1942

 

1943

The Noise Primer - GenRad Experimenter Jan 1943

The Noise Primer-Part III -The Decibel-What Is it? - GenRad Experimenter Feb 1943

General Radio Company Wins Army-Navy "E" - GenRad Experimenter March 1943

The Noise Primer Part VI-Analysis Of Noise - GenRad Experimenter April 1943

WPB Order M-293 - GenRad Experimenter May 1943

The Noise Primer Part IX-Vibration And Sound - GenRad Experimenter June 1943

The Noise Primer Part XII - GenRad Experimenter July 1943

The Effect Of Humidity On Electrical Measurements - GenRad Experimenter Aug 1943

Identification Of Harmonics In A Harmonic Series - GenRad Experimenter Sept 1943

Calibration Of Equipment In The Low & Medium Radio-Frequency Ranges, In Small Steps Of Frequency - GenRad Experimenter Oct 1943

General Radio Opens Chicago Office - GenRad Experimenter Nov 1943

Measurements Of The Characteristics Of Transmission Lines-Part II - GenRad Experimenter Dec 1943

 

1944

The Communications Receiver As A Wave Analyzer - GenRad Experimenter Jan 1944

Motor Speed Control With The Variac - GenRad Experimenter Feb 1944

New Chairs--Same People - GenRad Experimenter March 1944

A Bridge-Controlled Osicllator - GenRad Experimenter April 1944

Random Emission Compensation - GenRad Experimenter May 1944

New Entrance--Same Location - GenRad Experimenter June-July 1944

Notes On The Design Of Temperature Control Units - GenRad Experimenter Aug 1944

A Method For Measuring Small Direct Capacitances - GenRad Experimenter Sept 1944

The Butterfly Circuit - GenRad Experimenter Oct 1944

A 500-MC Oscillator - GenRad Experimenter Nov 1944

A D-C Vacuum-Tube Voltmeter - GenRad Experimenter Dec 1944

 

1945

Fifth Army-Navy "E" Award To General Radio Company - GenRad Experimenter Jan-Feb 1945

High Frequency Compensation For Amplifiers - GenRad Experimenter March 1945

Microflash Shows Flight Defects In Projectiles - GenRad Experimenter April 1945

Vacuum-Tube And Crystal Rectifiers As Galvanometers And Voltmeters At Ultra-High Frequencies - GenRad Experimenter May 1945

Development Engineering At The General Radio Company - GenRad Experimenter June 1945

A Heterodyne Frequency Meter For 10 To 3,000 Megacycles - GenRad Experimenter July-Aug 1945

A Precision Tuning Fork With Vacuum-Tube Drive - Genrad Experimenter Sept 1945

A Wavemeter For 240 To 1200 Megacycles - GenRad Experimenter Oct 1945

An Improved Megohmmeter for A-C Operation - GenRad Experimenter Nov/Dec 1945

 

1946

The Series And Parallel Components Of Impedance - GenRad Experimenter Jan 1946

The Constant Waveform Frequency Meter - GenRad Experimenter Feb 1946

A Convenient Amplifier And Null Detector - GenRad Experimenter March 1946

Have You A Type 650 Impedance Bridge? - GenRad Experimenter April 1946

V-5 Series Variacs--New, Improved Models Repalce 200-C Series - GenRad Experimenter May 1946

Output Systems Of Signal Generators - GenRad Experimenter June 1946

V-10 Series Variacs-New, Standard Models Intermediate Between 200-C & 100 Series-GenRad Experimener July-Aug 1946

A New Vacuum-Tube Voltmeter - GenRad Experimenter Sept 1946

A Peak-Reading Voltmeter For The U-H-F Ranges - GenRad Experimenter Oct 1946

The New Broadcast Monitoring Equipment - GenRad Experimenter Nov 1946

Decade Voltage Divider Now Available - GenRad Experimenter Dec 1946

 

1947

General Radio Enlarges Plant - GenRad Experimenter Jan 1947

A Versatile Monitor For Use From 1.6 To 150 Megacycles - GenRad Expermenter Feb 1947

Search Receivers For Radar Countermeasures - GenRad Experimenter March 1947

A Wide-Frequency-Range Capacitance Bridge - GenRad Experimenter April 1947

Connection Errors In Capacitance Measurements - GenRad Experimenter May 1947

Increased Accuracy For The Precision Condenser - GenRad Experimenter June 1947

A Counting-Rate Meter For Radioactivity Measurements - GenRad Experimenter July-Aug 1947

Dr. Beranek Becomes General Radio Consultant On Acoustics - GenRad Experimenter Sept 1947

Type 1170-A F-M Monitor For Broadcast And Television Services - GenRad Experimenter Oct 1947

A Wide-Range Oscillator For Audio And Supersonsonic Frequencies - GenRad Experimenter Nov 1947

V-20 Series Variacs--New, Standard Models Replace 100 Series--Ratings Increased - GenRad Experimenter Dec 1947

 

1948

Sensitivity Of The Type 916-A Radio-Frequency Bridge - GenRad Experimenter Jan 1948

A Bridge-Type Audio-Frequency Meter - GenRad Experimenter Feb 1948

On The Equivalent Circuit And Performance Of Plated Quartz Bars - GenRad Experimenter March-April 1948

A Voltage Mutiplier For The Vacuum-tube Voltmeter - GenRad Experimenter May 1948

Making A Good Instrument Better - GenRad Experimenter June 1948

A Wide-Range Capacitance Test Bridge - GenRad Experimenter July 1948

The Type 1670-A Magnetic Test Set - GenRad Experimenter Aug 1948

A Frequency Monitor For Television Video Transmitter - GenRad Experimenter Sept 1948

A Radically New Coaxial Connector For The Laboratory - GenRad Experimenter Oct 1948

A Compact Radio-Frequency Capacitance Measuring Instrument - GenRad Experimenter Nov 1948

The Interpolating Frequency Standard - GenRad Experimenter Dec 1948

 

1949

Measurements On I-F Transformers With The Type 916-A R-F Bridge - GenRad Experimenter Jan 1949

A Crystal Mode Indicator - GenRad Experimenter Feb 1949

A New Bridge For Impedance Measurements At Frequencies Between 50 Kilocycles & 5 Megacycles - GenRad Experimenter March 1949

Variac Motor Speed Controls - GenRad Experimenter April 1949

A High-Power, Low-Speed Stroboscope - GenRad Experimenter May 1949

Distortion Measurement In The Broadcasting Station - GenRad Experimenter June 1949

A New Decade Inductor - GenRad Experimenter July 1949

Measuring Noise Levels On Frequency-Modulated Transmitters - GenRad Experimenter Aug 1949

General Purpose A-M Standard-Signal Generator - GenRad Experimenter Sept 1949

A Smaller Variac Speed Contro - GenRad Experimenter Oct 1949

A Simple Standard-Signal Generator For F-M Broadcast Use - GenRad Experimenter Nov 1949

A Precision Attenuator Having A Wide Frequency Range - GenRad Experimenter Dec 1949

 

1950

Simple, Complete Coaxial Measuring Equipment For The U-H-F Range - GenRad Experimenter Jan 1950

A New Bridge For The Measurement Of Impedance Between 10 And 165 MC - GenRad Experimenter Feb 1950

A Standard-Signal Generator For Frequencies Between 50 And 920 MC - GenRad Experimenter March 1950

The Type 1803-A Vacuum-Tube Voltmeter A Quality Product At A Moderate Price - GenRad Experimenter April 1950

A Direct-Reading Impedance-Measuring Instrument For the U-H-F Range - GenRad Experimenter May 1950

35 Years Of Instrument Manufacture - GenRad Experimenter June 1950

A Bolometer Bridge For The Measurement Of Power At High Frequencies - GenRad Experimenter July 1950

An Audio-Frequency Signal Generator For Non-Linear Distortion Tests - GenRad Experimenter Aug 1950

Improvements In The Counting-Rate Meter - GenRad Experimenter Sept 1950

Light Meter For Electronic Flash Photography - GenRad Experimenter Oct 1950

U-H-F Measurements With The Type 874-LB Slotted Line - GenRad Experimenter Nov 1950

A Wide-Frequency-Range Bridge Oscillator - GenRad Experimenter Dec 1950

 

1951

A Versatile Power Amplifier - Jan 1951

Type 1612-AL R-F Capacitance Meter - GenRad Experimenter Feb 1951

Intermodulation Distortion - GenRad Experimenter March 1951

A Dynamic Microphone For The Sound-Level Meter - GenRad Experimenter April 1951

An Improved Variac Speed Control - GenRad Experimenter May 1951

The New Type 1432 Decade Resistors - GenRad Experimenter June 1951

New Unit Instruments Power Supplies-Modulator - GenRad Experimenter July 1951

A Sample Holder For Solid Dielectric Materials - GenRad Experimenter Aug 1951

An Octave-Band Analyzer For Noise Measurements - GenRad Experimenter Sept 1951

A New Push-Pull Amplifier Circuit - GenRad Experimenter Oct 1951

A 500-Volt Megohmmeter For Insulation Testing - GenRad Experimenter Nov 1951

A Generator Of Electrical Noise - GenRad Experimenter Dec 1951

 

1952

Versatile Resistance Limit Bridge Doubles As Laboratory Standard - GenRad Experimenter Jan 1952

The Unit Crystal Oscillator--A Simplified Frequency Standard For The Small Laboratory - GenRad Experimenter Feb 1952

Type 1551-A Sound-Level Meter - GenRad Experimenter March 1952

The Sound-Survey Meter - GenRad Experimenter April 1952

A Three-Quarter Horespower Variac Motor Speed Control - GenRad Experimenter May 1952

Standardized Terminals And Connectors - GenRad Experimenter June 1952

Standardized Terminals And Connectors Part II - GenRad Experimenter July 1952

A Guard Circuit For The Capacitance Bridge - GenRad Experimenter Aug 1952

The Vacuum-Tube Bridge And Its Accessories - GenRad Experimenter Sept 1952

New Coaxial Accessories--Adpaptors, Line Stretcher, Component Mount, Balun, Terminations, And Insertion Unit - GenRad Experimenter Oct 1952

A New Series Of Standard Inductors - GenRad Experimenter Nov 1952

A New Comparison Bridge For The Rapid Testing Of Components - GenRad Exeperimenter Dec 1952

 

1953

A New Unit Oscillator-50 To 250 Mc (Type 1215-A) - GenRad Experimenter Jan 1953

Type 1212-A Unit Null Detector - GenRad Experimenter Feb 1953

Transistor Measurements With The Vacuum-Tube Bridge - GenRad Experimenter March 1953

A New Standard Of Reliability In Variable Autotransformers Variac With Duratrak - GenRad Experimenter April 1953

A New 2-Ampere Variac Twice The Power For The Same Price - GenRad Experimenter May 1953

Approximate Frequency Analysis From Weighting-Network Data In Acoustic Noise Measurements - GenRad Experimenter June 1953

A Simplified System Of Wave Analysis For Production Testing - GenRad Experimenter July 1953

Improved Accuracy And Convenience Of Measurements With Type 1602-B Admittance Meter In VHF And UHF Bands - GenRad Experimenter Aug 1953

A Unit Oscillator For The 0.5- To 50-MC Range - GenRad Experimenter Sept 1953

New Adaptors For VHF And UHF-TV Coaxial Transmission Lines - GenRad Experimenter Oct 1953

A Laboratory Amplifier For Audio And Ultrasonic Frequencies - GenRad Experimenter Nov 1953

Five New Variac Speed Controls Round Out The Line - GenRad Experimenter Dec 1953

 

1954

New Precision Capacitors - GenRad Experimenter Jan 1954

Come To The Fair - GenRad Experimenter Feb 1954

Pulses In A Small Package-A Pulse Generator For The Unit Line - GenRad Experimenter March 1954

A Balanced Modulator For Pulse Applications - GenRad Experimenter April 1954

A New Sensitive, High-Frequency General-Purpose Detector - GenRad Experimenter May 1954

The Type 1304-B Beat-Frequency Audio Generator - GenRad Experimenter June 1954

An Accurate, High-Speed, Automatic Line-Voltage Regulator - GenRad Experimenter July 1954

A Pocket-Size Transistor Oscillator For Audio-frequency Testing - GenRad Experimenter Aug 1954

Sound Measurements At Very High Levels - GenRad Experimenter Sept 1954

Unmounted Motor Speed Controls For Assembly Into Other Equipment - GenRad Experimenter Oct 1954

Motor Drives For Precisions Dials And Beat-Frequency Oscillators - GenRad Experimenter Nov 1954

Improved Slotted Line Increases Accuracy And Convenience Of Coaxial Line Measurements - Dec 1954

 

1955

The New 970-Series Potentiometers - High-Quality Performance At Moderate Prices - GenRad Experimenter Jan 1955

A 900-2000 Mc Unit Oscillator - GenRad Experimenter Feb 1955

A Standard Signal Generator For The 900- To 2000-MC Range - GenRad Experimenter March 1955

A New System For Automatic Data Display - GenRad Experimenter April 1955

Unit R-C Oscillator - 20 Cycles to 500 KC - GenRad Experimenter May 1955

1915-1955 - GenRad Experimenter June 1955

The Type 1603-A Z-Y Bridge - GenRad Experimenter July 1955

An Accurate Voltage Divider For DC And Audio Frequencies - GenRad Experimenter Aug 1955

A Calibrator For Aircraft Fuel Gages - GenRad Experimenter Sept 1955

New Variac Speed Controls In 1 And 1 1/2 hp Ratings - GenRad Experimenter Oct 1955

A New Circuit For Amplitude Comparison - GenRad Experimenter Nov 1955

The Type W5 Variac-A New And Better Variable Autotransformer - GenRad Experimenter Dec 1955

 

1956

New Models Of The "Stripped-Down" Variac Speed Controls - GenRad Experimenter Jan 1956

The Measurement Of Impact Noise - GenRad Experimenter Feb 1956

A New, High-Sensitivity Electrometer - GenRad Experimenter March 1956

A High-Precision Impedance Comparator - GenRad Experimenter April 1956

A Versatile Generator For Time-Domain Measurements - GenRad Experimenter May 1956

A High-Precision Calibrator For Frequency And Time - GenRad Experimenter June 1956

New Decade Capacitors With Polystyrene Dielectric - GenRad Experimenter July 1956

Motor Drives For W-Series Variacs - GenRad Experimenter Aug 1956

New Television Transmitter Monitor - GenRad Experimenter Sept 1956

A New Type Of Variable Delay Line - GenRad Experimenter Oct 1956

Militarized Line Voltage Regulator - GenRad Experimenter Nov 1956

Random Noise Sweep Drives - GenRad Experimenter Dec 1956

 

1957

The Sound-Level Meter As An Audio-Frequency Voltmeter And Amplifier - GenRad Experimenter Jan 1957

Radio Engineering Show-San Francisco Office - GenRad Experimenter Feb 1957

G-R Instruments Are Built To Last - GenRad Experimenter March 1957

New "50" Size Variacs-Types W50 And W50H - GenRad Experimenter April 1957

The Measurement Of Cable Characteristics - GenRad Experimenter May 1957

The Measurement Of Cable Characteristics (Part II) - GenRad Experimenter June 1957

New, Silvered-Mica, Standard Capacitors, Type 1409 - GenRad Experimenter July 1957

The Measurement Of Cable Characteristics (Part IV) - GenRad Experimenter Aug 1957

The Phase Angle Of Potentiometers Used As Rheostats - GenRad Experimenter Sept 1957

Transistor Testing With Type 874 Coaxial Elements - GenRad Experimenter Oct 1957

Automatic Testing Of Printed-Circuit Components For The IBM Sage Computer - GenRad Experimenter Nov 1957

On The Tracking Of Satellites - GenRad Experimenter Dec 1957

 

1958

A New Unit Oscillator, 180 To 600 Mc - GenRad Experimenter Jan 1958

The Type P-582 Capacitance Bridge - GenRad Experimenter Feb 1958

A Transfer-Function Meter For The VHF-UHF Range - GenRad Experimenter March 1958

New Broadcast Monitors Add Convenience In Operation And Maintenance - GenRad Experimenter April 1958

The Measurement Of Dielectric Properties In The 200-5000 MC Range - GenRad Experimenter May 1958

Standard Time Signals - GenRad Experimenter June 1958

New Standard Frequency Multipliers - GenRad Experimenter July 1958

The Type W20-A New 20-Ampere Variac Autotransformer - GenRad Experimenter Aug-Sept 1958

Improved Performance Plus A New Look For The Sound-Level Meter - GenRad Experimenter Oct 1958

Complete Assembly For Capacitance Measurements At One Megacycle - GenRad Experimenter Nov 1958

How To Kill Time-Accurately! - GenRad Experimenter Dec 1958

 

1959

New Type W10 Variac Autotransformer - GenRad Experimenter Jan 1959

An Improved Pulse Generator With 15-Millimicrosecond Rise Time - GenRad Experimenter Feb 1959

A New Universal Impedance Bridge - GenRad Experimenter March 1959

A Militarized, Three-Phase, Line-Voltage Regulator - GenRad Experimenter April 1959

Type 1607-A Transfer-Function And Immittance Bridge - GenRad Experimenter May 1959

A Graphic Level Recorder With High Sensitivity And Wide Ranges - GenRad Experimenter June 1959

A Close Look At Connection Errors In Capacitance Measurements - GenRad Experimenter July 1959

The Type 1305-A Low-Frequency Oscillator - GenRad Experimenter Aug-Sept 1959

A Time/Frequency Calibrator Of Improved Stability - GenRad Experimenter Oct 1959

A Bridge For The Precise Measurement Of Inductance - GenRad Experimenter Nov 1959

A New Analyzer For Sound And Vibration - GenRad Experimenter Dec 1959

 

1960

A New Generator Of Random Electrical Noise - GenRad Experimenter Jan 1960

A Beat-Frequency Generator For Audio, Ultrasonic, And Video Frequencies - GenRad Experimenter Feb 1960

General Radio At Concord - GenRad Experimenter March 1960

Impedance Comparator Adaptable To Many Kinds Of Measurements And Tests - GenRad Experimenter April 1960

Rapid VSWR Measurements With The Admittance Meter - GenRad Experimenter May 1960

Standards And Accuracy - GenRad Experimenter June 1960

Measurements Of The Equivalent-Circuit Parameters Of Tunnel Diodes - GenRad Experimenter July-Aug 1960

New Eyes For Modern Industry - The Type 1531-A Strobotac - GenRad Experimenter Sept 1960

Connection Errors In Inductance Measurement - GenRad Experimenter Oct 1960

Little Dithers - A Small, Self-Contained, Self-Excited Vibration Calibrator - GenRad Experimenter Nov-Dec 1960

 

1961

An Analog Frequency Meter For Modern Measurements - GenRad Experimenter Jan-Feb 1961

A New UHF Signal Source - GenRad Experimenter March 1961

The New GR Frequency Standard - GenRad Experimenter April 1961

A Frequency Counter With A Memory And With Built-In Reliability - GenRad Experimenter May 1961

A New 10-Microfarad Capacitance Standard - GenRad Experimenter June 1961

A Tuned Amplifier And Null Detector With One-Microvolt Sensitivity - GenRad Experimenter July 1961

Type 1551-C Sound-Level Meter - GenRad Experimenter Aug 1961

A Remote Control For Variac Autotransformers - GenRad Experimenter Sept 1961

New And Improved Coaxial Connectors - GenRad Experimenter Oct 1961

The Type 1553-A Vibration Meter - GenRad Experimenter Nov 1961

Frequency Stability Measurements Of Standard-Signal Generators - GenRad Experimenter Dec 1961

 

1962

A Test Oscillator For S-Band Measurements - GenRad Experimenter Jan-Feb 1962

A Precise, General-Purpose Impedance Bridge - GenRad Experimenter March 1962

A Five-Digit Solid-State Counter For Frequency Measurements To 220 kc - GenRad Experimenter April 1962

A New System For Measuring The Inductance Of Iron-Core Coils - GenRad Experimenter May 1962

VLF Standard-Frequency Calibration - GenRad Experimenter June 1962

Coaxial Equipment With Locking-Type Connectors - GenRad Experimenter July 1962

Accuracy, Precision, And Convenience For Capacitance Measurements - GenRad Experimenter Aug-Sept 1962

New, Compact, Octave-Band Analyzer - GenRad Experimenter Oct 1962

New PZT Ceramic Vibration Pickup And Control Box For Vibration Measurements - GenRad Experimenter Nov 1962

A New Converter For Frequency Measurements To 500 Mc - GenRad Experimenter Dec 1962

 

1963

A Standard Sweeping-Frequency Signal Generator - GenRad Experimenter Jan 1963

A Radically New Coaxial Connector For High-Precision Measurements - GenRad Experimenter Feb-Mar 1963

Absolute Calibration Of PZT Microphones - GenRad Experimenter April-May 1963

Zero To 300 kc With Five-Digit Accuracy - GenRad Experimenter June 1963

Higher Accuracy, Higher Frequencies With New Electronic Voltmeter - GenRad Experimenter July 1963

A Highly Stable Reference Standard Capacitor - GenRad Experimenter Aug 1963

New Performance, New Convenience With The New Sound And Vibration Analyzer - GenRad Experimenter Sept-Oct 1963

Precision Coaxial Equipment; the 900 Series - GenRad Experimenter Nov 1963

High-Speed Digital-To-Analog Converter With Storage - GenRad Experimenter Dec 1963

 

1964

A New 200-VA Audio Generator - GenRad Experimenter Jan 1964

GR's New Bolton Plant - GenRad Experimenter Feb 1964

IEEE-1964 - GenRad Experimenter March 1964

Recording Wave Analyzer - New Wave Analyzer Has 3 Bandwidths, 80-DB Dynamic Range - GenRad Experimenter April 1964

A Generator Of AC Transients - GenRad Experimenter May 1964

The Stability Of Standard-Frequency Oscillators - GenRad Experimenter June 1964

A Bridge To Teraohm Territory - GenRad Experimenter July 1964

Type 1680-A Automatic Capacitance Bridge Assembly - GenRad Experimenter Aug 1964

Coherent Decade Frequency Synthesizers-A Modular Design - GenRad Experimenter Sept 1964

A Compact, Inexpensive Sound-Level Meter - GenRad Experimenter Oct-Nov 1964

Improved Performance From The Unit Pulse Generator - GenRad Experimenter Dec 1964

 

1965

A Slotted Line Recorder System - GenRad Experimenter Jan 1965

A New Approach To Precision Time Measurements - GenRad Experimenter Feb-March 1965

The Automatic Capacitance Bridge - GenRad Experimenter April 1965

Pulses To Order - GenRad Experimenter May 1965

A New Low-Noise Preamplifier - GenRad Experimenter June 1965

Vibration Measurements With The Sound-Level Meter - GenRad Experimenter July 1965

A Modern, Wide-Range, RC Oscillator - GenRad Experimenter Aug 1965

10-Mc Solid State Counter - GenRad Experimenter Sept 1965

New Standard Resistors - GenRad Experimenter Oct 1965

12-MC Coherent Decade Frequency Synthesizer - GenRad Experimenter Nov-Dec 1965

 

1966

A New Series Of High-Performance Line-Voltage Regulators - GenRad Experimenter Jan 1966

Input Noise - GenRad Experimenter Feb 1966

All-Solid-State, Low-Distortion Oscillator - GenRad Experimenter March 1966

Flash!...A New Strobotac Electronic Stroboscope - GenRad Experimenter April 1966

Calibration Standards For Precision Coaxial Lines - GenRad Experimenter May 1966

The Measurement Of Electrolytic Capacitors - GenRad Experimenter June 1966

VHF Pulse Generator - GenRad Experimenter July 1966

Coaxial Microwave News-The Improved GR874 Slotted Line - GenRad Experimenter Aug 1966

70-MHz Sythesizer Joins The Family - GenRad Experimenter Sept 1966

Automatic Capacitor-Testing Systems - GenRad Experimenter Nov-Dec 1966

 

1967

The Use Of Frequency Synthesizers For Precision Measurements Of Frequency Stability And Phase Noise - GenRad Experimenter Jan 1967

RC-Oscillator Synchronization - GenRad Experimenter Feb 1967

A New 500-MHz Standard-Signal Generator - GenRad Experimenter March 1967

Coaxial Microwave News-New GR900 Components - GenRad Experimenter April 1967

The New General Radio Microphone - GenRad Experimenter May-June 1967

The 1003 Standard-Signal Generator - GenRad Experimenter July-Aug 1967

Capacitance Standards With Precision Connectors - GenRad Experimenter Sept 1967

Considerations In The Choice Of A Line-Voltage Regulator - GenRad Experimenter Oct 1967

A Programmable 20-MHz Counter-Timer Using Integrated Circuits - GenRad Experimenter Nov-Dec 1967

 

1968

Random-Noise Generators - GenRad Experimenter Jan 1968

An SWR Meter For Precision Measurements - GenRad Experimenter Feb 1968

A Receiver For Precise Time Calibrations - GenRad Experimenter March 1968

A Precision Sound-Level Meter - GenRad Experimenter April 1968

An Exercise In Voltage Division - GenRad Experimenter May 1968

The Recipromatic Counter - GenRad Experimenter June-July 1968

A Unique DC Voltmeter - GenRad Experimenter Aug-Sept 1968

High Degree Of Frequency Resolution Achieved Through Use Of Syncable Oscillator In Closed Loop - GenRad Experimenter Oct 1968

Pulse And Frequency Response - GenRad Experimenter Nov-Dec 1968

 

1969

The Digital Divider - GenRad Experimenter Jan-Feb 1969

The New Sweep-Frequency Reflectometer - GenRad Experimenter March-April 1969

New-Generation Acoustical Analyzer - GenRad Experimenter May-June 1969

The Counter-Punch - GenRad Experimenter July-Aug 1969

Detailed Viewing In Ambient Brightness - GenRad Experimenter Sept-Oct 1969

Why Computers In Measurement Systems? - GenRad Experimenter Nov-Dec 1969

 

1970's

The Economy Of Computer-Controlled Measurements - GenRad Experimenter Jan-Feb 1970

Toward A More Useful Referenece Standard Resistor - GenRad Experimenter March-June 1970

Signal Analysis With Digital Time-Series Analyzers - GenRad Experimenter July-Sept 1970

Audiometric Measurement: 150 Years Of Applied Research - GenRad Experimenter Oct-Dec 1970

GenRad Experimenter Autumn 1972

GenRad Experimenter Summer 1972

GenRad Experimenter Autumn 1973

GenRad Experimenter Spring 1973

GenRad Today Winter 1973 - GenRad Experimenter Winter 1973

GenRad Experimenter March 1974

General Radio Experimenter General Radio Experimenter General Radio Experimenter General Radio Experimenter General Radio Experimenter General Radio ExperimenterGeneral Radio Experimenter General Radio ExperimenterGeneral Radio ExperimenterGeneral Radio Experimenter General Radio Experimenter General Radio ExperimenterGeneral Radio Experimenter General Radio Experimenter General Radio ExperimenterGeneral Radio Experimenter General Radio Experimenter General Radio ExperimenterGeneral Radio Experimenter General Radio Experimenter General Radio ExperimenterGeneral Radio Experimenter


  • Model: CA-B62

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