Some old theremin and Terpstone articles

Posted: 10/21/2013 10:46:51 PM
FredM

From: Eastleigh, Hampshire, U.K. ................................... Fred Mundell. ................................... Electronics Engineer. (Primarily Analogue) .. CV Synths 1974-1980 .. Theremin developer 2007 to present .. soon to be Developing / Trading as WaveCrafter.com . ...................................

Joined: 12/7/2007

I found (or perhaps re-found) an interesting site http://antiqueradio.org/ ..

Quite a few theremin related articles, probably been linked here before, but with the interest in tubes I thought it may be worth sharing..

Radio Craft Theremin Article, December 1936
 Terpstone  http://antiqueradio.org/art/Theremin1936.jpg  http://antiqueradio.org/art/Theremin19361.jpg

And some other theremins here..

http://antiqueradio.org/ei0161.htm

There may well be more on this site.

Fred.

Posted: 10/22/2013 2:42:28 AM
dewster

From: Northern NJ, USA

Joined: 2/17/2012

Thanks!  Following one of your links I was wondering what the woman with the whip was up to:

 

 

But it's just an extremely avant-garde pitch antenna - bummer!  ;-)

They seem to be using a 500kHz crystal as a frequency selective impedance on the volume side, weird.

Posted: 10/22/2013 4:31:26 PM
FredM

From: Eastleigh, Hampshire, U.K. ................................... Fred Mundell. ................................... Electronics Engineer. (Primarily Analogue) .. CV Synths 1974-1980 .. Theremin developer 2007 to present .. soon to be Developing / Trading as WaveCrafter.com . ...................................

Joined: 12/7/2007

Lol ;-)

Makes a great Avatar!

 

Posted: 10/24/2013 4:38:31 PM
dewster

From: Northern NJ, USA

Joined: 2/17/2012

Kitten with a whip!

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