About this lot

Description

Cambridge Instrument Co Ltd resistor, marked '1 Ohm at 20C', no. 411507; a German (Lambrecht Gottingen) hand held wind speed measure with timer; a sighting inclinometer by Harling, with compass and silvered scale arc; a Swiss planimeter; a circular lacquered brass holosteric barometer; Stanley London military use inclinometer and three compasses

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