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#1
10-16-2007, 04:12 AM
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BIG CONTEST!
This is just for fun (no prize).
The following construction projects are from some electronics magazines which were all published in the same year. Guess the year (no fair looking or asking anyone). Each person gets one guess. 1. gas detector 2. laser TV system 3. LED flashlight 4. night vision scope 5. tunnel diode transmitter 
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