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| Newer page: | version 110 | Last edited on 2 July 2009 3:32 | by harold | Revert |
| Older page: | version 109 | Last edited on 20 October 2016 3:49 | by harold | Revert |
@@ -1,127 +1,18 @@
!!! 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.
+*
[General Radio Historical Society
|http://www.teradyne
.com/corp/grhs
/index.html] - See, especially
[catalogs and bulletins
|http://www.teradyne
.com/corp
/grhs
/catalogs-and-bulletins
.html
] which has stuff back to 1916
+*[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]
- * 1928
- * [The Development and Use of the Hydrophone - GenRad Experimneter Jan 1928|Upload:harold/GenRad_Experimenter_Jan_1928.pdf]
- * [Equipment of the Service Laboratory GenRad Experimenter Feb 1928|Upload:harold/GenRad_Experimenter_Feb_1928.pdf]
- * [Factors Concerning the Use of the Type UX 250 Power Amplifier Tube - GenRad Experimenter March 1928|Upload:harold/GenRad_Experimenter_Mar_1928.pdf]
- * [A Phonograph Amplifier - GenRad Experimenter April 1928|Upload:harold/GenRad_Experimenter_Apr_1928.pdf]
- * [The Development and Use of the Hydrophone - GenRad Experimenter May 1928|Upload:harold/GenRad_Experimenter_May_1928.pdf]
- * [Magneto-Striction Oscillators - GenRad Experimenter June 1928|Upload:harold/GenRad_Experimenter_June_1928.pdf]
- * [A Direct to Consumer Policy - GenRad Experimenter July 1928|Upload:harold/GenRad_Experimenter_July_1928.pdf]
- * [Magnetostriction Oscillators - GenRad Experimenter Aug 1928|Upload:harold/GenRad_Experimenter_Aug_1928.pdf]
- * [Notes on Group Address Systems - GenRad Experimenter Sept 1928|Upload:harold/GenRad_Experimenter_Sept_1928.pdf]
- * [The Development and Use of the Hydrophone - GenRad Experimenter Oct 1928|Upload:harold/GenRad_Experimenter_Oct_1928.pdf]
- * [Rating of Radio Receiviers - GenRad Experimente Nov 1928|Upload:harold/GenRad_Experimenter_Nov_1928.pdf]
- * [How and Why the Talkies - GenRad Experimenter Dec 1928|Upload:harold/GenRad_Experimenter_Dec_1928.pdf]
- * 1929
- * [Units of Electrical Transmission - GenRad Experimenter Jan 1929|Upload:harold/GenRad_Experimenter_Jan_1929.pdf]
- * [A New Relay - GenRad Experiimenter Feb 1929|Upload:harold/GenRad_Experimenter_Feb_1929.pdf]
- * [Frequency Determination - GenRad Experimenter March 1929|Upload:harold/GenRad_Experimenter_March_1929.pdf]
- * [A New Frequency Standard - GenRad Experimenter April 1929|Upload:harold/GenRad_Experimenter_April_1929.pdf]
- * [Permalloy - GenRad Experimenter May 1929|Upload:harold/GenRad_Experimenter_May_1929.pdf]
- * [Production Testing of Audio-Frequency Amplifiers - GenRad Experimenter June 1929|Upload:harold/GenRad_Experimenter_June_1929.pdf]
- * [The Importance of Mutual Conductance in Testing Vacuum Tubes - GenRad Experimenter July-Aug 1929|Upload:harold/GenRad_Experimenter_July-Aug_1929.pdf]
- * [Improving The Precision of Setting In A Tuned-Circuit Wavemeter - GenRad Experimenter Sept 1929|Upload:harold/GenRad_Experimenter_Sept_1929.pdf]
- * [A Low-Frequency Oscillator - GenRad Experimenter Oct 1929|Upload:harold/GenRad_Experimenter_Oct_1929.pdf]
- * [Notes On Power Measurement In Communication Circuits - GenRad Experimenter Nov 1929|Upload:harold/GenRad_Experimenter_Nov_1929.pdf]
- * [Television: A Comparison With Other Kinds of Electrical Communication - GenRad Experimenter Dec 1929|Upload:harold/GenRad_Experimenter_Dec_1929.pdf]
- * 1930
- * [An Equal-Arm Capacitance Bridge - GenRad Experimenter Jan 1930|Upload:harold/GenRad_Experimenter_Jan_1930.pdf]
- * [Piezo-Electric Quartz Plates - GenRad Experimenter Feb 1930|Upload:harold/GenRad_Experimenter_Feb_1930.pdf]
- * [The Standard-Signal Method of Measuring Receiver Characteristics - GenRad Experimenter March 1930|Upload:harold/GenRad_Experimenter_March_1930.pdf]
- * [A Tuning-Fork Audio Oscillator - GenRad Experimenter April 1930|Upload:harold/GenRad_Experimenter_April_1930.pdf]
- * [Th Dynatron - GenRad Experimenter May 1930|Upload:harold/GenRad_Experimenter_May_1930.pdf]
- * [We Celebrate A Birthday - GenRad Expermenter June 1930|Upload:harold/GenRad_Experimenter_June_1930.pdf]
- * [The Continuous Recording of Pulse Rates - GenRad Experimenter July 1930|Upload:harold/GenRad_Experimenter_July_1930.pdf]
- * [Accuracy Considerations In The Use of Tuned-Circuit Wavemeters - GenRad Experimenter Aug 1930|Upload:harold/GenRad_Experimenter_Aug_1930.pdf]
- * [Electrically-Driven Tuning Forks - GenRad Experimenter Sept 1930|Upload:harold/GenRad_Experimenter_Sept_1930.pdf]
- * [The Frequency Stability of Piezo-Electric Monitors - GenRad Experimenter Oct 1930|Upload:harold/GenRad_Experimenter_Oct_1930.pdf]
- * [The Frequency Stability of Piezo-Electric Monitors II - GenRad Experimenter Nov 1930|Upload:harold/GenRad_Experimenter_Nov_1930.pdf]
- * [The New Home of The Engineering Department - GenRad Experimenter Dec 1930|Upload:harold/GenRad_Experimenter_Dec_1930.pdf]
- * 1931
- * [Field Intensity Measurements - GenRad Experimenter Jan 1931|Upload:harold/GenRad_Experimenter_Jan_1931.pdf]
- * [Attenuation Measurements On Telephone And Telegraph Lines - GenRad Experimenter Feb 1931|Upload:harold/GenRad_Experimenter_Feb_1931.pdf]
- * [Modulation Measurements On Broadcast Transmitters - GenRad Experimenter March 1931|Upload:harold/GenRad_Experimenter_March_1931.pdf]
- * [A Continuous-Film Camera For The Oscillograph - GenRad Experimenter April 1931|Upload:harold/GenRad_Experimenter_April_1931.pdf]
- * [Electron Oscillations - GenRad Experimenter May 1931|Upload:harold/GenRad_Experimenter_May_1931.pdf]
- * [Volume Control In Voice Circuits - GenRad Experimenter June 1931|Upload:harold/GenRad_Experimenter_June_1931.pdf]
- * [What's New In Radio - GenRad Experimenter July 1931|Upload:harold/GenRad_Experimenter_July_1931.pdf]
- * [Speeding Up The Standard Signal Generator - GenRad Experimenter Aug 1931|Upload:harold/GenRad_Experimenter_Aug_1931.pdf]
- * [Some Uses For A Precision Chronograph - GenRad Experimenter Sept 1931|Upload:harold/GenRad_Experimenter_Sept_1931.pdf]
- * [Thermocouples - GenRad Experimenter Oct 1931|Upload:harold/GenRad_Experimenter_Oct_1931.pdf]
- * [A Bridge-Type Frequency Meter - GenRad Experimenter Nov 1931|Upload:harold/GenRad_Experimenter_Nov_1931.pdf]
- * [A Piezo-Electric Oscillator of Improved Stability - GenRad Experimenter Dec 1931|Upload:harold/GenRad_Experimenter_Dec_1931.pdf]
- * 1932
- * [A Universal Bridge - GenRad Experimenter Jan 1932|Upload:harold/GenRad_Experimenter_Jan_1932.pdf]
- * [Frequency Characteristics - GenRad Experimenter Feb 1932|Upload:harold/GenRad_Experimenter_Feb_1932.pdf]
- * [The Michelson Velocity of Light Experiment - March 1932|Upload:harold/GenRad_Experimenter_March_1932.pdf]
- * [Testing Radio Receivers On The Assembly Line - GenRad Experimenter April 1932|Upload:harold/GenRad_Experimenter_April_1932.pdf]
- * [New Measuring Instruments - GenRad Experimenter May 1932|Upload:harold/GenRad_Experimenter_May_1932.pdf]
- * [Waveform Studies With The Cathode-Ray Oscillograph - GenRad Experimenter June 1932|Upload:harold/GenRad_Experimenter_June_1932.pdf]
- * [Bridge Methods For Measurements At Radio Frequencies - GenRad Experimenter July 1932|Upload:harold/GenRad_Experimenter_July_1932.pdf]
- * [Telephone Transmission Measurements - GenRad Experimenter Aug 1932|Upload:harold/GenRad_Experimenter_Aug_1932.pdf]
- * [Inexpensive Noise-Measuring Equipment - GenRad Experimenter Sept 1932|Upload:harold/GenRad_Experimenter_Sept_1932.pdf]
- * [The Wavemeter Yields - GenRad Experimenter Oct 1932|Upload:harold/GenRad_Experimenter_Oct_1932.pdf]
- * [A Signal Generator For The New Receiver Tests - GenRad Experimenter Nov 1932|Upload:harold/GenRad_Experimenter_Nov_1932.pdf]
- * [The Stroboscope - GenRad Experimenter Dec 1932|Upload:harold/GenRad_Experimenter_Dec_1932.pdf]
- * 1933
- * [Recent Developments In Mica Condensers - GenRad Experimenter Jan 1933|Upload:harold/GenRad_Experimenter_Jan_1933.pdf]
- * [Mixer Controls For Dynamic Microphones And Ribbon Microphones - GenRad Experimenter Feb 1933|Upload:harold/GenRad_Experimenter_Feb_1933.pdf]
- * [Mixer Circuits That Work - GenRad Experimenter March 1933|Upload:harold/GenRad_Experimenter_March_1933.pdf]
- * [The Convenient Measurement Of C, R, And L - GenRad Experimenter April-May 1933|Upload:harold/GenRad_Experimenter_Apr-May_1933.pdf]
- * [Some Improvements In Cathode-Ray Oscillographs - GenRad Experiimenter June-July 1933|Upload:harold/GenRad_Experimenter_June-July_1933.pdf]
- * [Chronograph Measurements In Chemistry - GenRad Experimenter Aug-Sept 1933|Upload:harold/GenRad_Experimenter_Aug-Sept_1933.pdf]
- * [Simplifying Experimental-Equipment Construction - GenRad Experimenter Oct 1933|Upload:harold/GenRad_Experimenter_Oct_1933.pdf]
- * [Cathode-Ray Oscillographs And Their Applications - GenRad Experimenter Nov 1933|Upload:harold/GenRad_Experimenter_Nov_1933.pdf]
- * [Improvements In Radio-Frequency Bridge Methods For Measuring Antennas And Other Impedances - GenRad Experimenter Dec 1933|Upload:harold/GenRad_Experimenter_Dec_1933.pdf]
- * 1934
- * [Recent Developments In Frequency Standards - GenRad Experimenter Jan-Feb 1934|Upload:harold/GenRad_Experimenter_Jan-Feb_1934.pdf]
- * [The Measurement Of A Small Inductance - GenRad Experimenter March 1934|Upload:harold/GenRad_Experimenter_March_1934.pdf]
- * [The General Radio-Hazeltine Reactance Meter - GenRad Experimenter April 1934|Upload:harold/GenRad_Experimenter_April_1934.pdf]
- * [How Dials Are Made - GenRad Experimenter May 1934|Upload:harold/GenRad_Experimenter_May_1934.pdf]
- * [New Developments In Electron Oscillography - GenRad Experimenter June 1934|Upload:harold/GenRad_Experimenter_June_1934.pdf]
- * [Impedance Matching - GenRad Experimenter July-Aug 1934|Upload:harold/GenRad_Experimenter_July-Aug_1934.pdf]
- * [Power Factor Measurements In Oil Analysis - GenRad Experimenter Sept-Oct 1934|Upload:harold/GenRad_Experimenter_Sept-Oct_1934.pdf]
- * [A New Moving-Film Camera - GenRad Experimenter Nov-Dec 1934|Upload:harold/GenRad_Experimenter_Nov-Dec_1934.pdf]
<br>
<br>
----
<br>
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version 110
General Radio
General Radio Historical Society - See, especially catalogs and bulletins which has stuff back to 1916
*WMRA collection of photos of GR equipment.
Catalog 919 - Early catalog of Quality Radio Apparatus- Bulletin 931 catalog of Quality Apparatus. 1928
- 1606-A RF Bridge. Scanned by Fred Greaves Jr. 49MB.
1931-A Modulation Monitor
Outside
Inside
Back to HomePage
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