The outlines of physics: an elementary text-book (1897)
Nichols, E. L. (Edward Leamington), 1854-1937 · New York, The Macmillan Company; London, Macmillan & Co., Ltd. · leaf 174
the steam point + 373°. The zero thus chosen is called the absolute zero, and the scale is called the absolute scale of the air thermometer. w 141. The Air Thermometer.— It is not practicable to givethe air thermometer the sim-ple form suggested in theprevious paragraph. The es-sential features of… … Fig. 144. this bulb is very narrow, and it ends in one arm of themanometer ?Wj, m^. The other arm (m^ is long, and isclosed at its upper end. The space (v) above the mer-cury in this arm contains no air, so that the manometermay be considered as a siphon barometer in which thevertical distance h,…
Physics
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