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 319
ratus: (1) A miniature or pea lamp of 5 or 6 volts. (2) A small calorimeter containing about 250 cm.* of water. (3) A good thermometer. (4) A timepiece.Procedure:(a) Solder to the terminals of the lamp two copper wires. Slipthese through a glass tube and drawthe latter- up snugly to the baseof the… … HEATING EFFECT OF THE ELECTRIC CURRENT 305 the paraffin. Mount the lamp within the calorimeter as shown inFig. 271. Weigh out 200 g. of water, and pour the same into thecalorimeter. (6) Connect the lamp in circuit with the battery, using a numberof cells sufficient to bring it to incandescence, but…
Physics
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