Circular ready reckoner calculator for gauging electrical cables by Smith (Calculators) Limited
- Made:
- 1961-1965 in Beaminster
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Science Museum Group
© The Board of Trustees of the Science Museum
Circular ready reckoner calculator for gauging electrical cables by Smith (Calculators) Limited, Beaminster for REM Products (Electrical) Limited, Breentwood, Essex.
Details
- Category:
- Mathematics
- Object Number:
- 1998-469
- Materials:
- plastic and incomplete
- Measurements:
-
overall: 3 x 110 x 110 mm
- credit:
- Mr J.C. Michie
