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Re: [TCML] What is this device?



Interesting. Thanks for the info. I had the knob on top pegged as a handhold so that the crank could be turned firmly.

Makes me wonder--has anyone ever tried a hand-turned rotary spark gap for a Tesla coil? With belt drive and the proper ratios, you could get proper RPMs.

Idle notion.

PBT

-----Original Message----- From: Frank
Sent: Sunday, August 24, 2014 8:45 PM
To: Tesla Coil Mailing List
Subject: Re: [TCML] What is this device?

Hi Paul,
It has a star shaped wheel inside and a
condenser. It was used to test coils without points.
It is the interrupter. You connected it to the
battery and in series with the ignition coil and
ran the HT lead back to one binding post and from
there it jumped the gap so you could see how the coil was working.
The knob on top is the on/ off switch.
Frank

At 01:17 PM 8/24/2014, you wrote:
I collect old induction coils, etc., so I watch for them on eBay, naturally. This item showed up: http://www.ebay.com/itm/390905035563?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 What is it? It’s cased like an old spark coil, but the connections and hand crank make me think it must be some kind of magneto, maybe for an old telephone? What do you all think it is? Paul _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla
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