Diff: GeneralRadio

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version 183

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 Photo
  • Inside Photo

General 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

• 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

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