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Look up 'synchronous spark wireless transmitter' Ed On 6/11/2020 1:21 PM, jimlux wrote:
On 6/11/20 11:47 AM, Ed Phillips wrote:No filament! Wrong theory.. Synchrnous spark!. Edge.Am 10.06.2020 um 20:25 schrieb Chris Reeland:Hi all,I thought I would share this unusual and historic transformer from "1917"that I came across on eBay recently. https://www.ebay.com/itm/363014955765I will admit, I am not so big on the hefty price, but it is interesting init's design. Also looks in great condition.I find the lever control interesting for some kind of movable shunt.I would think that a movable shunt allows you to set the spark gap current (just like in a Tesla Coil) - The only meter on a transmitter in "king spark" days was probably something like an RF ammeter._______________________________________________ Tesla mailing list Tesla@xxxxxxxxxxxxxxxxxx https://www.pupman.com/mailman/listinfo/tesla
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