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Articles
Title
Ambient Sound Amplifier (T748S)
Second World War Dutch Secret Radios (T1133E)
Bench power source for tubes (T697E)
Precision Instrument (T1101E)
Super Heterodyne Tuner (T1060E)
3-tube radio (T989E)
Phonograph Oscillator (T1010E)
Signal Tracker (T962E)
Super Heterodyne Tuner (T917E)
Oscillator and amplifier (T912E)
UHF Receiver (T843E)
Micro tube receiver (T806E)
Amplifier from the 1940s (T720E)
1930s 3-tube radio (T665E)
A complete instrument in 1939 (T686E)
400 mW transmitter (T509E)
One tube receiver (T473E)
VHF Receiver (T1082E)
Simple Intercom (T985E)
3-tube Public Address (T942E)
2-Tube AC DC Receiver (T890E)
Cathode follower (T794E)
Signal Tracer (T792E)
Modulator for transmitter (T774E)
Shortwave Adapter (T697E)
3-channel preamp (T484E)
Magic Eye Tester (T453E)
Experimental transmitter for 50 and 420 MHz (T1134E)
Mine Detector (T1061E)
Sophisticated Signal Tracer (T1017E)

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