Three miniature platinum resistance thermometers, 20th century.
3 4 c m
40cm
actual image size: 32cm x 26cm

Three miniature platinum resistance thermometers, 20th century.

© Science Museum / Science & Society Picture Library

Description

These instruments were made by Rosemount Engineering Co Ltd. Resistance thermometers use changes in resistance for temperature measurement. The resistance element may be either a platinum wire if extreme precision is required, or a semiconductor (thermistor) for high sensitivity.
 

Image Ref.

10319965
 

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