[GreenKeys] WU 22-A tape transmitter

[Ed Sharpe Archivist for SMECC via GreenKeys]

I have   wu  leather  bound  book  of  secrets...
remind  me  again tomorrow  and  will  dig  up.
 
we have a 21  here   winder if the 22   would  go on the table  with that?  
if  so if  you  wanted to sell it  let us  know  as  we are  trying to  
bring some of this sstuff together  for a  display Ed#  _www.smecc.org_ 
(http://www.smecc.org)  
 
 
 
 
In a message dated 9/21/2015 12:56:57 P.M. US Mountain Standard Time,  
chrise at pobox.com writes:

On  Monday (09/21/2015 at 01:58PM -0400), Duncan Brown wrote:
>  Chris,
> 
> As Jim said, it reads the tape in parallel, then a  mechanical parallel-to
> serial converter combined it with the data from  2-4 other tapes to 
produce a
> multiplexed serial data stream.
>  
> We may  have some information on it in the AWA Museum Library,  but I 
think
> the schematic of it is pretty straight-forward. They where  designed in 
the
> 1910-20 period and used up into the 1930-40  period.

Hi Duncan--  your message came in just as mine was going  out.  I appreciate
the info.

I will poke around with it for a  while and if I can make it go, maybe
I'll bug someone to punch a 5-level  tape for me and then I can demo it
to some youngsters (ie, the engineering  staff) at work ;-)

Thanks again,

Chris N0JCF

> On  21-Sep-15 11:14, Chris Elmquist wrote:
> >Hi Guys,
>  >
> >Found one of these in someone's basement.  I think they  were discussed 
on
> >this list a while ago but I don't recall seeing  any hookup or connection
> >info,
> >
>  
>https://drive.google.com/folderview?id=0B6A73VHTVh23SkZhck9jUDJrSmc&usp=sharing
>  >
> >Do any documents exist for this unit?  Can it be used  stand-alone or
> >does it need the rest of the TTY to make it  go?
> >
> >The earlier discussion suggested these were  1920-1930 vintage so what
> >model Teletype would it have been used  with?
> >
> >I can't do much with a 5-level reader here  since I don't have a 5-level
> >punch but it's still interesting to  me to know how these were used
> >(electrically).
>  >
> >73, Chris NØJCF
> 
> 
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-- 
Chris  Elmquist

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