St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 73
ther by flowing in the same direc-tion. Such combinations are called thermoeledtric piles,or simply thermopiles. Fig 87 shows such an arrangement, in which a largenumber of elements are placed in a small space. Thejunctures are so arranged that the alternate ones cometogether at one side. Fig. 88… … 0«S:^l|p^ Fig. S3. the thermopile. The galvanometer should 1 e a short-coil astatic one. (See Study, Chapter XXIV., forexperiments and home-made thermopile.) CHAPTER XI. MAGNETIC EPFECTS OP THE ELECTRIC CURRENT. 91. Electromagnetism is the name given to magnet-ism that is developed by eledlricity.…
Electricity
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