Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 155
expansion = Second Method. The apparatus used is shown in Fig.78. The rod is inside the tin jacket R, which can be filled 8 - 8 M 8 -8 Mx 100 S- -8 QBlon-Jfx 100 142 HEAT. with either steam or ice-water, thus changing the tempera-ture of the rod 100°. For measuring the increase inlength, the… … leading from a source of electricity, while the rod is con-nected with the other wire. When the end of the screwtouches the end of the rod the circuit is completed, andthis fact is indicated by some instrument placed in thecircuit. If we know how far the screw advances at oneturn, the change in…
Physics
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