[GreenKeys] Printing tape punch

[Don Robert House]

At 10:48 AM -0500 11/25/2002, Tim McNerney wrote:
>I just finished disassembling a 28ASR and came across something I
>didn't expect: a paper tape punch with what appears to be a printing
>unit that sports a cylindrical type head, fatter and more elongated
>than a Model 33.  Can anyone say a few words about what this might be?
>
>--Tim McNerney
>_______________________________________________


Your description reads like a dome mounted Receive Only Typing 
Reperforator, commonly called a ROTR.  The ROTR usually copied 
traffic from one circuit to be edited by the operator and resent on 
another circuit.

Typing reperforators were also used to cut tape in place of regulator 
perforators.

Don
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Don Robert House
North American Data Communications Museum
URL: http://www.nadcomm.org
Computer Museum of America
URL: http://www.computer-museum.org