Allbrit fixed bar compensating polar planimeter with weighted arm

Allbrit [fixed bar] compensating polar planimeter with weighted

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Allbrit [fixed bar] compensating polar planimeter with weighted
Science Museum Group
© The Board of Trustees of the Science Museum

Allbrit [fixed bar] compensating polar planimeter with weighted arm, spacer bar and case by Stanley, London. Calibrated for Metric Measure, model A8003 and serial number, 43470.

Details

Category:
Mathematics
Object Number:
1995-78
type:
planimeter
credit:
Borough of Bromley