Allbrit [sliding bar] compensating polar planimeter with weighted arm, magnifier and missing spacer bar, in felt lined wood and paper case, by Stanley, London. Calibrated for Metric Measure, model U2334A with serial number, 10215.
overall (case): 40 x 250 x 90 mm
- furnishing and equipment
- measuring device - instrument
- Phillips Auctioneers
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