Coradi planimeter and map, 1886.

Made:
1886 in Zurich

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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

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

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

Planimeter (rolling type) by G. Coradi, Zurich, in case, 1886. Planimeters were used by engineers and scientists to measure the area inside a closed curve.

Details

Category:
Mathematics
Object Number:
1912-201
type:
planimeter
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
J.C. Stevens Auction House