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Du Mont Cathode -ray Oscillograph type 208
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05-12-2019, 07:55 PM
PS: I forgot that the means of recording sound in a visible form, literally a phonograph, predates the ability to replay such sounds. It was Edison who hit on the idea of being able to replay such sounds, when he was working on a means of recording morse code.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv
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| Messages In This Thread |
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Du Mont Cathode -ray Oscillograph type 208 - by djrm - 21-07-2019, 05:53 PM
RE: Du Mont Cathode -ray Oscillograph type 208 - by ppppenguin - 21-07-2019, 06:46 PM
RE: Du Mont Cathode -ray Oscillograph type 208 - by Mike Watterson - 21-07-2019, 07:42 PM
RE: Du Mont Cathode -ray Oscillograph type 208 - by Terry - 05-12-2019, 05:02 PM
RE: Du Mont Cathode -ray Oscillograph type 208 - by signalman4 - 14-09-2019, 08:07 AM
RE: Du Mont Cathode -ray Oscillograph type 208 - by djrm - 05-12-2019, 11:24 AM
RE: Du Mont Cathode -ray Oscillograph type 208 - by Kalee20 - 05-12-2019, 12:52 PM
RE: Du Mont Cathode -ray Oscillograph type 208 - by ppppenguin - 05-12-2019, 01:11 PM
RE: Du Mont Cathode -ray Oscillograph type 208 - by ppppenguin - 05-12-2019, 06:02 PM
RE: Du Mont Cathode -ray Oscillograph type 208 - by ppppenguin - 05-12-2019, 07:55 PM
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