Allbrit [fixed index] compensating polar planimete

Made:
1974-1976 in London
manufacturer:
W F Stanley and Company Limited

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Allbrit [fixed index] compensating polar planimeter with the wrong weighted arm, spacer bar and wooden case by Stanley, London. Calibrated for Imperial Measure, model A8001, with, missing magnifier and serial number 41270.

Details

Category:
Mathematics
Materials:
brass, complete, plastic and wood
Measurements:
overall (case): 35 x 230 x 80 mm
Identifier:
2000-168
type:
planimeter
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
Phillips Auctioneers