Parallel ruler

Made:
1880-1900 in Manchester
maker:
J Halden and Company Limited

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

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

Parallel ruler, made by Joseph Halden Co. Ltd, Manchester.

Details

Category:
Mathematics
Object Number:
Y1979.6.2
Materials:
metal (unknown) and wood (unidentified)
Measurements:
box: 34 mm x 255 mm x 70 mm, 709 g
type:
parallel rule - drafting tool
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • ruler - measuring device