Daniell, Alfred, 1853-1937 · London : Macmillan · leaf 400
ecule, not per unit of weight. Differences of temperature may be roughly perceived by thehand; the sense of temperature can even be cultivated like thatof musical pitch so as to arrive at approximate accuracy withoutactual recurrence to a standard of known temperature. Any of the effects of heat… … Breguets metallic thermometer is a spiral strip composed ofthree metal strips soldered together by their broad surfaces: thedifferent rates of expansion cause the spiral to roll or unroll ac-cording to the variations of temperature, and thereby to move apointer. The air thermometer, one of whose…
Physics
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