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Subject: Re: using distance to change audio levels

Date: 02/16/02 at 1:22 PM
Posted by: Brian Snell
E-mail: bsnell@lara.on.ca
Message Posted:

In Reply to: using distance to change audio levels posted by brian mckenna on 02/13/02 at 7:41 PM:

I think that you refer to a device called a "Theremin", originally developed in the mid-thirties by, I recall, RCA. There have been many later developments since that time and many construction projects published by such magazines as "Radio-Electronics", and "Popular Electronics". If you look up Gernsback Publications on-line, they will show indices listing such articles going back over issues of several decades. They offer a reprint service of any article of interest.

Good Luck.

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