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measure of temperature
Thermometer that uses the difference in expansion of two metals (usually iron and brass) to measure temperatures between 30°C and 300°C; it is used especially in industry.
See bimetallic thermometer in :
Outer covering that encloses and protects the device’s mechanism.
Metal needle connected to the shaft that indicates the temperature on the dial.
Graduated face with a pointer in front to indicate the temperature.
Band made by welding together two metals with different coefficients of expansion; it curves as the temperature changes.
Rod that transmits the bimetallic helix’s rotational motion to the pointer as a result of warping caused by heat.
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