Allbrit square root radial planimeter with pivot bolt for measuring charts from Ranarex carbon dioxide recorder

Made:
1955-1957 in London
manufacturer:
W F Stanley and Company Limited
Allbrit square root radial planimeter with pivot bolt for

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

Allbrit square root radial planimeter with pivot bolt for measuring charts from Ranarex carbon dioxide recorder, model U2339A, in wood and felt lined case by Stanley, London, with serial number 104.

Details

Category:
Mathematics
Object Number:
2000-173
Materials:
brass, plastic, mahogany& felt and complete
Measurements:
overall (case): 40 x 115 x 85 mm
type:
planimeter
credit:
Phillips Auctioneers