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
type:
folding rule
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • ruler - measuring device
  • furnishing and equipment
  • measuring device - instrument
  • ruler - measuring device
credit:
On loan from the Wellcome Trust