Thank you Allen,

That ties a lot of loose ends together, and yes, your description of a Jumbo
slip perfectly matches what I have here. 

Michael 

On Apr 21, 2012, at 5:39 PM, [email protected] wrote:

> Given Douglass' close relationship to/with the Chicago company, I assume  
> your cylinder is his - they came with a tan slip if I recall (with the rpm  
> marked on it).
> 
> Douglass was very interested in methods of increasing  cyl volume, being 
> (also) the inventor of the Polyphone.
> 
> Allen
> ---------------
> 
> 
> In a message dated 4/21/2012 7:24:00 P.M. Eastern Daylight Time,  
> [email protected] writes:
> 
> So... Is  the Chicago TTM Jumbo the Douglas creation 
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