[GreenKeys] Unique Teletype

[John W9DDD]

Thanks Duncan,

I learned something from that.  I had never seen a M12.  I had looked at some documents and from the diagram understood there was a separate distributor for the printer.  For some reason I had envisioned something looking like the top end of a 14 TD.  Perhaps based on having read about the  receiving version of the 14 TD before reading about the 12.  Also assumed the goose neck contacts version started with the 14/15.

It appears that the keyboard design stayed pretty similar M12 through the M15.  (Maybe M26 too?)

John, W9DDD


> On Jul 31, 2021, at 6:38 PM, Duncan Brown <duncanancy at earthlink.net> wrote:
> 
> The tag on this unit identifies it as being from the Teletype Corp Museum (which was disbursed in the 1980s) and looks to be the item pictured in Teletype Corp Museum Book 9, page 05.  The Museum Book says they were produced from 1922 to 1930. (Replaced by the M15)
> 
> Duncan
> K2OEQ
> 
> 
>> On 31-Jul-21 19:25, Duncan Brown wrote:
>> That is a "Direct to line" Keyboard for a Morkrum (later Teletype Corp.) Model 12; c 1920s.
>> 
>> Quire rare.
>> 
>> The M12  was the first page printer produced in any quantity and was originally designed as an RO for Baudot's multiplex system. It is parallel input with 5 selector magnets.
>> 
>> The ebay chassis has a keyboard with serial contacts similar to the M14 & 15.  The extra set of goose-neck contacts is a serial to parallel converter to allow the printer to operate on a serial line.  It plugs into the front of the M12 printer.
>> 
>> Have fun,
>> 
>> Duncan
>> K2OEQ
>> 
>> 
>> 
>>> On 31-Jul-21 16:07, John W9DDD wrote:
>>> Item #  on eBay 114829932563 <tel:114829932563>
>>> Anyone know what this did?
>>> 
>>> John, W9DDD
>>> 
>>> 
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