Allbrit sliding bar compensating polar planimeter with weighted arm
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Allbrit [sliding bar] compensating polar planimeter with weighted arm, spacer bar bar and hand magnifier with felt lined case by Stanley, London. Calibrated for Metric Measure, model A8035 and serial number 37405
Details
- Category:
- Mathematics
- Object Number:
- 1997-2299
- Measurements:
-
overall: 30 x 400 x 70 mm
- type:
- planimeter
- credit:
- DERA Haslar, Froude Museum
