Allbrit radial planimeter for chart measuring

Made:
1956-1958 in London
manufacturer:
W F Stanley and Company Limited
Allbrit radial planimeter for chart measuring with pivot bolt

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Allbrit radial planimeter for chart measuring with pivot bolt
Science Museum Group
© The Board of Trustees of the Science Museum

Allbrit radial planimeter for chart measuring with pivot bolt and magnifier in felt lined wood and paper case by Stanley, London, model A8401 calibrated for Imperial Measure with serial number 25342.

Details

Category:
Mathematics
Object Number:
2000-169
Materials:
brass, plastic, woodn, felt & paper, glass and complete
Measurements:
overall (case): 35 x 230 x 80 mm
type:
planimeter
credit:
Phillips Auctioneers