[GreenKeys] 28 stock ticker?

[Duncan Brown]

Jim,

I always thought that the M28 was "aggregate motion" also.

What made the M37 "aggregate motion" and not the M28?

Thanks,

Duncan
K2OEQ

On 7/30/2019 17:49, Jim Haynes wrote:
> So far as I know there was no ticker between the circa 1930 model, the
> black cube, and the "900" ticker circa 1964.  Around Teletype we called
> it the Model 37 ticker because it used the aggregate motion mechanism
> that was to be used in the Model 37 page printer; but I guess the Bell
> System didn't want it called that.  And it did have some parts similar
> to Model 28 in the selector area.
>
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