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1918 Battery Charger: Tungar Tube ( Mercury Arc Rectifier ) - YouTube
https://www.youtube.com/watch?v=nR1ZLC7t4Ns
this is a heavy duty battery charger i got off ebay made in 1918. i believe it is 6 amps. it took me a while to figure out how to run it. blew the circuit br...
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Original Apple 1 setup - demo of a working piece of history - YouTube
https://www.youtube.com/watch?feature=player_detailpage&list=UUe8Jjxugh8ywvFHO0CsBy9w&v=rKiMPCRILpc
This is one of 6 known working original Apple 1 personal computers from 1976. There were about 200 Apple 1 ever built and 43 units are identified to exist to...