On 6/11/20 11:47 AM, Ed Phillips wrote:
No filament! Wrong theory.. Synchrnous spark!. Ed
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.
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