[GreenKeys] Kleinschmidt Type Wheel

[Nick England]

A less commonly seen type wheel was in the WW2 era SIGABA (ECM Mk II)
crypto machine produced by Teletype.
https://www.cryptomuseum.com/crypto/usa/sigaba/img/300354/069/full.jpg
http://www.navy-radio.com/misc/mys/tape_printer/IMG_8274.JPG

I believe this was a “stop the rotating wheel when the right character
comes into position” style mechanism. The wheel was Bakelite maybe?

Nick

On Sat, Feb 13, 2021 at 6:18 PM Jim Haynes <jhhaynes at earthlink.net> wrote:

> I always enjoy pointing out that Teletype patented the daisy wheel
> printer in 1939, but never produced it. (patent 2,146,380 to A. H. Reiber)
> I guess the type wheel of Model 26 was more attractive at the time.
> For one thing, they didn't have the plastic technology to make the daisy
> wheels cheaply, and the Model 26 style with individual type pallets
> made it easier to produce different type arrangements with one set of
> parts.  And of course it was integrated circuit electronics that made
> the daisywheel a winner circa 1970.  See Wikipedia article on daisy wheel
> printing.
>
>         ---
>
>         "Ya can argue all ya wanna, but it's dif'rent than it was."
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-- 
Nick England K4NYW
www.navy-radio.com
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