Prototype Allbrit linear arm for a continuous char

Made:
1971-1973 in London
manufacturer:
W F Stanley and Company Limited

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Prototype Allbrit linear arm for a continuous chart planimeter [model A8350] by Stanley, London, with lamp and optical encoder readout next to the normal scales.

Details

Category:
Mathematics
Materials:
aluminium, brass, complete, glass and plastic
Identifier:
2000-175
type:
planimeter
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
Phillips Auctioneers