Elementary treatise on physics, experimental and applied, for the use of colleges and schools (1898)
Ganot, A. (Adolphe), 1804-1887 · London, Longmans, Green · leaf 319
Maximum and Minimum Thermometers -314] 297 .as an index. The thermometer being placed horizontally, the mercury pushes the index before it when the temperature rises. But when the … temperature falls and the mercury contracts, the index retains that position in the tube to which it has been moved, for there is no adhesion between the iron and the mercury. In this way the index registers the highest temperature which has been attained ; in the figure this is 320. In the minimum…
Physics
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