[GreenKeys] M15 pressure rollers (Wooden)...

[epvgk at limpoc.com]

On Sun, Apr 23, 2017 at 01:38:17PM -0700, Kenneth Gartland wrote:
> Hi all!
> 
> Jim is correct!
> 
> The Model15 typing units that have the three pressure rollers made
> of wood, are for sure, early production ones...
> 
> 
> 
> Another possibility, although not confirmed, is the possibility
> due to war time rubber shortages, wooden rollers were used
> in the typing units produced during this period...
> 
> In any case, the wooden rollers were not that great, as paper
> slippage issues were common, especially if the platen was
> worn, hardened and/or shiny...
> 
> We replaced them with rubber ones as a matter of routine
> maintenance...
> 
> Nick, I can send you a set of new old stock ones
> if you like...
> 
> They are very easy to replace!
> 
> Cheers!
> 
> Ken
> VE3-HMQ


My Model 19 also has wooden pressure rollers. Does anyone have a guess at a rough
cutoff date for manufacture? I've been wondering when this thing was built. It also
has the big thyratron loop supply and left-side clock face character counter. 


eric.