Brass fourfold calliper rule
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Science Museum Group
© The Board of Trustees of the Science Museum
Brass fourfold calliper rule, with symmetrically curved legs and a scale opening to 24 inches, B4361, A72932
Details
- Category:
- Mathematics
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1989-653
- Materials:
- brass
- type:
- folding rule and calliper rule
- credit:
- On loan from the Wellcome Trust
