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?

Steve

> ***********
> The speed of 160 rpm will stay the same throughout, for both 2-min and 
> 4-min.
> All that changes is the horizontal rate of travel of the reproducer across
> the cylinder.
>
> Allen
>   www.phonobooks.com 

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