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What is "type-wri-toon?"  It doesn't show up on a search.

Steve Smolian

----- Original Message ----- 
From: "Ted Kendall" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, November 04, 2009 7:30 AM
Subject: Re: [ARSCLIST] power line frequency


> At the risk of telling everybody something they already know, the 
> Tonschreiber had a wide range of capstan speed to facilitate its purpose 
> in life, which was to protect U-boats from the Allies' Huff-Duff detection 
> apparatus. This, using two orthogonal antennae and a Lissajous display, 
> could generate a practically instant fix from a U-boat transmission. The 
> solution adopted was to record Morse at slow speed, replay at high speed 
> to keep the transmission as short as possible and restore pitch with the 
> rotating head-drum.
>
>
> ----- Original Message ----- 
> From: "Shai Drori" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, November 04, 2009 7:08 AM
> Subject: Re: [ARSCLIST] power line frequency
>
>
>> The solution is very simple. The capstan of the Tonschreiber did not run 
>> off the incoming AC but had an oscillator and amplifier as a servo. It 
>> could run at any speed from I think 9 to 130 cm/sec.
>>
>> Richard L. Hess wrote:
>>> 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]
>>> Aurora, Ontario, Canada       (905) 713 6733     1-877-TAPE-FIX
>>> Detailed contact information: 
>>> http://www.richardhess.com/tape/contact.htm
>>> Quality tape transfers -- even from hard-to-play tapes.
>>
>