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!!! General Radio

[General Radio was purchased|http://www.ietlabs.com/genrad/index.html/] by [IET Labs|http://www.ietlabs.com/] in the year 2000.


* [General Radio Historical Society|http://ietlabs.com/genradhistoricalsociety/]
* [WMRA|http://www.jmu.edu/wmra-eng/gr-museum.html] collection of photos of GR equipment.
* [Catalog 919|Upload:GrCat919.pdf] - Early catalog of Quality Radio Apparatus
* [Bulletin 931|Upload:Gr1928_Bltn931.pdf] catalog of Quality Apparatus. 1928
* [1181-A|Upload:harold/20140716125223.pdf] Frequency Deviation Monitor. 1953. 8.6MB
* [1606-A|Upload:GR1606a.pdf] RF Bridge. Scanned by Fred Greaves Jr. 49MB.
* 1931-A Modulation Monitor
  * [Outside Photo|Upload:Gr1931A.jpg]
  * [Inside Photo|Upload:Gr1931aInside.jpg]

! General Radio Experimenter
  * 1926
    * [Announcing a New General Radio Service for Experimenters - GenRad Experimenter 1926|Upload:harold/GenRad_Expermimenter_June_1926.pdf]
    * [The "B" Battery Eliminator - GenRad Experimenter July 1926|Upload:harold/GenRad_Experimenter_July_1926.pdf]
    * [The Design and Use of the Speaker Filter- GenRad Experimenter Aug 1926|Upload:harold/GenRad_Experimenter_Aug_1926.pdf]
    * [The Status of "A" Battery Retrofit Elimination - GenRad Experimenter Oct 1926|Upload:harold/GenRad_Expermenter_October_1926.pdf]
    * [An Effective Method of Measuring Amplification Nov 1926 - GenRad Experimenter Nov 1926|Upload:harold/GenRad_Experimenter_November_1926.pdf]
    * [An Effective Method of Measuring Amplification Nov 1926 - GenRad Experimenter Dec 1926|Upload:harold/GenRad_Experimenter_Dec_1926.pdf]
  * 1927
    * [Design And Testing Of Plate Supply Devices - GenRad Experimenter Jan 1927|Upload:harold/GenRad_Experimenter_ Jan_1927.pdf]
    * [A Study Of Coil Resistances At 40 Meters - GenRad Experimenter Feb 1927|Upload:harold/GenRad_Experimenter_ Feb_1927.pdf]
    * [A Discussion Of Condenser Plate Shapes - GenRad Experimenter March 1927|Upload:harold/GenRad_Experimenter_ Mar_1927.pdf]
    * [New Tubes For Old - GenRad Experimenter April 1927|Upload:harold/GenRad_Experimenter_ April_1927.pdf]
    * [A Review Of Coupling Methods - GenRad Experimenter May 1927|Upload:harold/GenRad_Experimenter_ May_1927.pdf]
    * [The Design And Use Of The Radio Frequency Choke - GenRad Experimenter June 1927|Upload:harold/GenRad_Experimenter_ June_1927.pdf]
    * [Compete A.C. Operation A Practical Reality - GenRad Experimenter July 1927|Upload:harold/GenRad_Experimenter_ July_1927.pdf]
    * [Further Data On New A.C. Tubes - GenRad Experimenter Aug 1927|Upload:harold/GenRad_Experimenter_ Aug_1927.pdf]
    * [Unique Method Of Voltage Control Adapts Unit To Any Standard Type Of Receiver - GenRad Experimenter Sept 1927|Upload:harold/GenRad_Experimenter_ Sept_1927.pdf]
    * [Power Amplification - GenRad Experimenter Oct 1927|Upload:harold/GenRad_Experimenter_ Oct_1927.pdf]
    * [An A.C. Operated Amplifier With A High Quality Power Output - GenRad Experimenter Nov 1927|Upload:harold/GenRad_Experimenter_ Nov_1927.pdf]
    * [Factors Governing The Choice Of Power Tubes - GenRad Experimenter Dec 1927|Upload:harold/GenRad_Experimenter_ Dec_1927.pdf]


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* [[Upload:harold/GenRad_Experimenter_Jan_1928.pdf]]
* [[Upload:harold/GenRad_Experimenter_Feb_1928.pdf]]
* [[Upload:harold/GenRad_Experimenter_Mar_1928.pdf]]
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