Prototype model of coding and decoding machine
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License
Science Museum Group
© The Board of Trustees of the Science Museum
Prototype model of coding and decoding machine, patented by Sidney Hole
Details
- Category:
- Mathematics
- Object Number:
- 1967-434
- Measurements:
-
overall (each): 400 mm x 1300 mm x 450 mm,
- type:
- cipher machines
- credit:
- Hole, F.
