Circular Mears Steam Flow ready reckoner calculator in cardboard case with instructions
- Made:
- 1955-1965 in Almondbury
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© The Board of Trustees of the Science Museum
Circular Mears Steam Flow ready reckoner calculator in cardboard case with instructions, by M.H. Mears and Company, Almondbury, Huddersfield.
Details
- Category:
- Mathematics
- Object Number:
- 1998-466
- Measurements:
-
overall: 10 x 190 x 190 mm
- credit:
- Mr J.C. Michie
