Allbrit [sliding bar] compensating polar planimet

Made:
1946-1948 in London
manufacturer:
W F Stanley and Company Limited

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Allbrit [sliding bar] compensating polar planimeter with weighted arm, magnifier and missing spacer bar, in felt lined wood and paper case, by Stanley, London. Calibrated for Metric Measure, model U2334A with serial number, 10215.

Details

Category:
Mathematics
Materials:
brass, complete, glass, paper, plastic and wood & felt
Measurements:
overall (case): 40 x 250 x 90 mm
Identifier:
2000-176
type:
planimeter
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
Phillips Auctioneers