[GreenKeys] Western Union manuals for a 2-B aka 14

[Duncan Brown]

[don't think this went the first time (got an error message that the 
server didn't like  the greeting), so I am trying it again.  My 
apologies if you get two copies.]

On 14-Jul-16 10:02, Duncan Brown wrote:
>
> On 14-Jul-16 00:39, Jim Pruitt wrote:
>>   I never understood why Western Union used gummed tape rather than 
>> using page printers and printing telegrams on that but am sure they 
>> had valid reasons.
>>
>> Thank you.
>>
>> Jim Pruitt
>> WA7DUY
>>
> Western Union originally used page printers (back in about 1915). But 
> WU was always trying to improve its efficiency and message 
> through-put. One problem with page printers was if there was garble in 
> any part of the message, the whole message had to be repeated. By 
> going to a strip printer, only the garbled part of the message had to 
> be repeated and they could then "cut & paste" the correction.  Also, 
> they didn't have to waste time sending CR & LF.  Both Morkrum and 
> Kleinschmidt had been making similar page printers for WU. At WU's 
> request, they tipped the page printer onto its back and removed the 
> platen to produce the WU M20-21-22 tape printers. See enclosed KEC 
> models.
>
> Have fun,
>
> Duncan
> K20EQ
>
>


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