A course of experiments in physical measurement (1897)
Whiting, Harold, d. 1895 · Boston, D.C. Heath and Co. · leaf 245
d1 cm. deep, are madeout of the thinnestbrass, and fastened bya layer of wax to thesupport hh. The glassFig. 86. ^-tiibe or gauge, fg, contains a little colored liquid, and is attached byrubber couplings to the boxes d and e, so that- thesystem may be air-tight. The outer faces of the boxes,d and… … IT 110.1 THE THERMOPILE. 215 A veiy slight amount of heat falling on the black-ened surface of either of the cylinders, d or e, willcause an expansion of air within the cylinder in ques-tion. Unless this is offset by an equal expansion ofair due to an equal amount of heat falling on theother…
Physics
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