Carpenter's sliding joint-rule by I Trafford, Oxfo

Made:
1772 in Oxford and England

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Carpenter's sliding joint-rule by I Trafford, Oxford, England, dated 1772. Marked with possible owner, George Barnet, Grindon.

Details

Category:
Mathematics
Object Number:
1973-181
Materials:
boxwood, brass and complete
Measurements:
overall (closed): 7 mm x 235 mm x 38 mm, 0.124 kg
overall (open): 7 mm x 406 mm x 17 mm, 0.124 kg
type:
folding rule
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • ruler - measuring device
  • furnishing and equipment
  • measuring device - instrument
  • ruler - measuring device
credit:
Mr. John George.