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Transmit receive Switch (T331E)
Neon Timer (T330E)
Crystal Tester (T329E)
Continuity Tester (T328E)
TV Booster (T327E)
Two-Tone Audio Generator (T326E)
Electronic lock (T325E)
Low Power Regulator (T324E)
250 V x 40 mA power supply (T323E)
350V x 100mA power supply (T322E)
Reflex receiver (T321E)
16 MHz Receiver (T320E)
Geiger Counter (T319E)
Phonographic Transmitter (T318E)
Low Noise Preamplifier (T317E)
Frequency Standard (T316E)
Raystor Voltage Regulator (T315E)
Steam locomotive (T315E)
Wien Bridge VCO (T314E)
Phase Modulator (T313E)
Metal Detector (T312E)
Sound Activated Relay (T311E)
Electrometer (T310E)
Tape Recorder Preamplifier (T309E)
Neon AND logic gate (T307E)
Neon OR gate (T306E)
LASER Trigger (T305E)
Semiconductor Laser Driver (T304E)
LASER Driver (T303E)
Voice Operated Relay (T302E)

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