[GreenKeys] Lorenz HL36 Tape Perforator

David March adnmarch at waitrose.com
Thu Nov 8 12:11:38 EST 2012


Greenkeyers,

Back in June/July this year I sought your help in the restoration of the 
Lorenz HL36 Tape Perforator (akin to the GPE 'Iron Horse') at the 
National Museum of Computing, Bletchley Park, UK.

I am pleased to report that this unit has now been restored to 
operational status and placed in the museum as a static display 
alongside the other teletype equipment and next door to the Colossus 
computer room.

I attach some photos showing the very pleasing result. The Tunny Room 
contains teleprinters & radio equipment (currently receiving signals 
from a German weather station for authenticity!) and the early paper 
tape handling 'bedstead'. The Lorenz is in the display cabinet at the 
far end of the room.

I very much appreciate all the support I got from many of you. Thanks - 
It made me believe it was possible to get this unit working . . . and 
now I have a result!

During my research into the history of these machines I came across a 
short video clip on the web showing German soldiers operating similar 
comms equipment in some woods - possibly a training film. Regretfully I 
did not make a note of the web-site. Does this ring any bells with any-one?

Best wishes
David March
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