The TC-61  was produced by Gretag AG in Zurich, Switzerland.

TC-61 closeup. Click on image to enlarge.
TC-61 connected up to a Siemens T-100 teletype. The controller for the system is in the lower right hand side.
All photos in this table via Walter Schmid,  HB9AIV

Contributors and Credits:

1) Walter Schmid <hb9aiv(at)>

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Dec 5/08