Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 241
ated, the mercury How IS neat of ^ great intensity contained in it will rise in the tube until it reaches 660°, at nieasured ? ■v\-liieh temperature it begins to boil. A slight additional heat forms vapor sufficient to burst the tube. Mercury, therefore, can not be used to measure degrees of heat… … Fig. 206. The construction of the pyrometer is represented in Fig.construction of 205 A represents a metallic bar, fixed at one end, B, butthe pyrometer. |g{^ f^ee at the other, and in contact with the end of a pointerK, moving freely over a graduated scale. If the bar be heated by the flameot…
Physics · Science · Technology
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