Manual for Documation TM200 punched card reader

Mike Loewen mloewen at
Sat Sep 22 21:18:45 CDT 2018

On Sat, Sep 22, 2018 Guy Dunphy wrote:

> Thanks for the link. So far I'd only tried google, assuming anything 
> relevant on bitsavers would show up. It didn't, which is interesting. My 
> search was only very brief though. I'd been doing an initial eval on the 
> reader in the evening, then read the post about Mr Hollerith's house. So 
> hadn't yet done any serious searching.
> The unit was made in April 1977. Someone else mentions the TM200 is not the 
> same as the M200, so I have some reading to do.

    From outward appearences, it looks to be the same as the Wang 2244A, and 
the Wang Model 2200 Systems Mainteance Manual confirms that it is a TM200:

    A reference manual and data sheet are available on the Wang 2200 site:

    No schematics, though.

Mike Loewen				mloewen at
Old Technology

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