Test Equipment
Amrad Variometer 2752
Amrad Wavemeter Type D
Artmann & Baun A. G. Frankfurt A/M.
Audibility Meter Type 164B
Audibility Meter Type CR836
Use Wireless Specialty Adjustable Telephone No. CR835 with this Meter. Do not use Series Telephone with this Meter →
Audion Control Box SE-1071
Made for Navy Sept (BU. S. E.) →
Calibration Headset, Frequency Meter BC-221-AU, BC-221-AK
Eaton Oscillator Type – Triode C
General Electric Giant Rheostat
Early Day Wireless →
General Radio Type 247 C Variable Air Condenser
General Radio Wave Meter Type 174 B
International Telegraph Construction Co. Variable Condenser
Jefferson Tube Rejuvenator
Jefferson Tube Tester
Jewel Radio Test Set Pattern No. 95
Jewel Radio Test Set Pattern No. 95
Jewell Radio Set Analyzer Pattern 199
with/ Super Airline CX-201A 62-63" w/Instructions for Servicing Radio Receivers, Jewell Electrical Instrument Co., 1650 Walnut Street Chicago →
John Firth & Co. Electric Plate-Condenser
Kolster Decremeter, Bureau of Standards, Type C
Kolster Decremeter, Type D
National Company Inc. Oscilloscope Type CPN
National Electric Supply Co. wavemeter type SCR98
Wavemeter made for the U. S. Army Signal Corps. →
Pocket ammeter
Precision Condenser
At the museum: Massie Station Maker: General Radio Co. Place: Cambridge, Mass U.S.A Date: Donor: Specifications [delta]C=1000 M.M.F. Type 22-M Serial No. 1435 →
Radio Frequency Ammeter Type CT1477
Wireless Improvement Company, Type SE 965 Wavemeter, Made for the Bureau Steam Engineering
w/Loop Antenna
w/ 3 Coils, Meter 89 Coil 1, Meter 89, Coil 3, Meter 47, Coil 3 →
Roller-Smith Co. Ohmeter Type Com
Signal Corps US Army Wavemeter Type BC-DA-153
Signal Corps Wireless Set No 19 MK II Aerial Variometer
Sterling Type R-411 Home Tube Tester
with/ Super Airline GX-201A 62-63" →
Tuning Capacitor
U.S. Navy Portable Wave Meter
Universal Sterling Tube Tester R-408
Unknown Meter, Model 301
Veifa-Werke-Frankfurt A/M Rontgenzwecke
National Electrical Supply Wavemeter Type SCR 61
Made for the U. S. Army Signal Corps. → Weston AC Voltmeter
Weston Direct Current Voltmeter
Weston Meter Model 301
Weston Model 537 No. 1648 Radio Set Tester
With/ The Instructions for use →