[78-L] constant velocity records, was Value of 78's

[Michael Biel]

David Lennick wrote:
> Yup. But nobody's perfect (except you and me). The other article I sent about 
> the history of recording doesn't even refer to the Blattnerphone.
>
> dl
>
>   

Assuming you are mentioning the website from Maine with the machines 
photographed among the Spring Flowers (see his home page for the 
reasoning) he also doesn't include the 3M/Columbia/Revere cartridge.  I 
think he only discusses formats he can transfer.  I sent a long email 
with some additions and corrections (the Quadraplex VideoTape was 1956 
not 1953, etc) but the email bounced.  Is he out of business??

Mike Biel  mbiel at mbiel.com 
> martha wrote:
>   
>> The writer is a wee bit clueless:  "a turntable that changes speed as the record 
>> plays, slowing down to compensate for the quicker rotation of the disc as the stylus 
>> approaches the center"
>>
>>
>> ----- Original Message ----- 
>> From: "David Lennick" 
>>     
>>> I'd forgotten about constant velocity discs used during wartime..mentioned here.
>>> http://www.lostmag.com/issue3/memory.php
>>>
>>> dl
>>>       
>
>
>
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