Signedinscribed on thermometer in gold : CENCO
Inscribedinscribed on thermometer in gold : Thermometer n. Beckmann in 1/100°C.
inscribed on thermometer in gold : MADE IN GERMANY
inscribed on thermometer in gold : No. 19410
FunctionThis is a thermometer that the user can fill with different amounts of mercury to use at different temperature ranges. It is very precise but because of this it has a narrow range of 6 degrees. To change the range of operation, mercury from the s-bend is poured down to the main capillary.
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This particular instrument had been called by its owner a specific gravity thermometer, so that was likely its specific function at the Harvard School of Public Health.
Historical AttributesUsed by J.B. Little, Physiology Lab, Harvard School of Public Health.
ProvenanceJohn B. Little.