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At 07:09 PM 2009-11-03, you wrote:
>From: Patent Tactics, George Brock-Nannestad
>....SNIP.....
>The story continues. I would not be surprised to learn that northern Italian
>records were cut with machines run off 14 Hz or 16 2/3 Hz, which were in use
>for traction purposes. Let us see if a type-wri-toon will work here: ;-) -
>yes, it did.

Hi, George,

One thing that intrigued me is that the Tonschreiber version of the 
Magnetophon which was analyzed in depth after WWII by some Army 
Engineers who appeared to do a good job apparently could work from 25-60 Hz.

Cheers,

Richard



Richard L. Hess                   email: [log in to unmask]
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