punched card sensor calibration plate
- Made:
- 1946
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Science Museum Group
© The Board of Trustees of the Science Museum
Punched card sensor calibration plate c. 1946, punched card calibration plate c. 1946 (2 pieces)
Details
- Category:
- Computing & Data Processing
- Object Number:
- 1981-412
- type:
- calibration plate
- credit:
- Willey,E.
