[GreenKeys] Kleinschmidt Type Wheel

[Gerry]

My 5B stock ticker (teletype) uses a type wheel (inked). Circa 1930

Sent from my iPhone

> On Feb 13, 2021, at 3:50 PM, Nick England <navy.radio at gmail.com> wrote:
> 
> 
> 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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>>                 Meredith Willson, The Music Man
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> -- 
> Nick England K4NYW
> www.navy-radio.com
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