GeneralRadio
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General Radio
General Radio was purchased by IET Labs in the year 2000.
- General Radio Historical Society
- WMRA collection of photos of GR equipment.
Catalog 919 - Early catalog of Quality Radio Apparatus- Bulletin 931 catalog of Quality Apparatus. 1928
- 1181-A Frequency Deviation Monitor. 1953. 8.6MB
- 1606-A RF Bridge. Scanned by Fred Greaves Jr. 49MB.
1931-A Modulation Monitor
Outside
InsideGeneral Radio Experimenter
1926
- Announcing a New General Radio Service for Experimenters - GenRad Experimenter 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
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