Date:         Wed, 24 May 2006 15:06:36 -0700
Reply-To:     Association for Recorded Sound Discussion List
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Sender:       Association for Recorded Sound Discussion List
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From:         Roger and Allison Kulp <[log in to unmask]>
Subject:      Re: 33 + 45 = 78
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Most of which were actually 80 rpm...

Lou Judson <[log in to unmask]> wrote:  Interesting. Wish I still had a copy of the Audio Cyclopedia... but did 
the speed not originate with hand cranked machines before electrical 
ones?

Lou Judson • Intuitive Audio
415-883-2689

On May 24, 2006, at 2:09 PM, Steven Smolian wrote:

> See Tremain's Audio Encyclopedia. These are all stepwise adjustments 
> to a basic gearing at 60 cycles.
>
> Steven Smolian

		
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