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

[Dnjchi at aol.com]

In a message dated 3/21/2009 11:53:19 A.M. Eastern Standard Time,  
jsalerno at earthlink.net writes:

I'm not  a mathematician, but I do not think it is linear. The 
"circumference" of  the recorded groove will change on a more logarithmic 
scale, would it  not?



I don't think so.  The 'speed' of the groove is dependent upon the  radius, 
which varies linearly as you go in/out on the disc.
 
Don Chichester
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