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Articles
Title
Voltage Regulator (T1106E)
Radio and Intercom (T1086E)
Tube Blocking Oscillator (T1041E)
3-tube amplifier (T1013E)
Home Transmitter (T974E)
Simple Signal Tracer (T946E)
Two-Way Intercom (T837E)
4-tube voltage quadrupler (T810E)
Volume Expander and Compressor (T778E)
Super simple 1-tube receiver (T734E)
Phonograph Oscillator and Code Practice (T722E)
Metronome (T516E)
10W Amplifier with 6 tuber (T492E)
Capacitance Bridge (T1021E)
Multi Range Radio (T994E)
Achieving larger scales to resistance measurement (T922E)
Hearing Aid Amplifier (T895E)
30W Power Stage (T872E)
1942 Victory Receiver (T816E)
Vibrator Test (T796E)
Howard 520APC Phonograph Radio (T726E)
1940s 1-tube Receiver (T708E)
1939 Portable Receiver (T687E)
Tube receiver for modulated light (T670E)
Radio Admiral Model 6RT44-781 (T1139E)
3-tube Receiver (T1107E)
Phonograph Amplifier (T964E)
Two Channel Mixer (T848E)
Wien Bridge Oscillator (T779E)
1941 Phonograph Oscillator (T757E)

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