[78-L] A blast from the past

[Michael Biel]

Actually one of the Victor motors was an induction disc motor which was
synchronous.  The GE Telectron also was a synchronous motor.

Mike Biel  mbiel at mbiel.com 

-------- Original Message --------
Subject: Re: [78-L] A blast from the past
From: "Steven C. Barr" <stevenc at interlinks.net>
Date: Mon, June 28, 2010 11:59 pm
To: "78-L Mail List" <78-l at klickitat.78online.com>

From: "David Lennick" <dlennick at sympatico.ca>
> Forgot to mention that the phonograph worked perfectly, and neither of us 
> knows why. When it was last used, it was in downtown Toronto when we were 
> still on 25 cycle power and it was never converted to 60 when we moved 
> into the burbs. Anyone know if this motor had (has) something that ignores 
> what should have been a problem?
>
It wasn't a synchronous motor (which hadn't yet been invented!); thus
the speed is NOT dependent on the AC frequency!

Steven C. Barr 

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