[GreenKeys] WU 1-A pics

[COURYHOUSE at aol.com]

OK!  got it!  Yes  I have a 21!   I  am  starting to understand how  some 
of this  all comes together!  
 
 Duncan - Are you building a complete multiplex table there at AWA?  That  
would be cool!
 
 
Ed#
 
 
 
 
 
 
In a message dated 11/26/2016 1:25:42 P.M. US Mountain Standard Time,  
duncanancy at earthlink.net writes:


On  25-Nov-16 23:33, Ed Sharpe Archivist for SMECC via GreenKeys wrote:
>  Duncan is that 20 series   parallel  strip  tape   printer ( kind of 
> like a  14  but.... it  talks   parallel  not serial!   to work on a 
> table  with  Nicks  multiplexer?
>
Ed,

The WU model 20, 21, 22 series  strip printers (made by both Morkrum and 
Kleinschmidt Electric for WU) had  five selector magnets and connected to 
a receiving multiplexer similar to  the transmit one.
So, yes, a message sent over a WU 1A tape transmitters  could have been 
printed out on a WU 21A strip printer.

The message  could also have been printed out on a Morkrum M12 page 
printer, as it was  also originally designed for mux service with five 
selector magnets. With  the addition of a plug-in key board to the M12, 
it became a "direct to  line" serial machine. The keyboard had a serial 
keyboard distributor  (similar to what was used on the M11 and later on 
the M14 & 15). The  keyboard also had a "receiving distributor" 
(serial-to-parallel converter)  to allow the 5 separate selector magnets 
to operate from the serial  line.

Duncan


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