In a message dated 11/18/2004 1:29:52 PM Eastern Standard Time, 
[email protected] writes:

> On Edison there is a reduction gear in the pulley that slows the carriage 
> to 
> half speed in 4 minute mode, how does the Columbia work?
> 
> 

***********
on Columbia, there is a separte geared feedscrew to halve the travel rate of 
the reproducer. It is usually activated by a squeeze lever.

allen
  www.phonobooks.com

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