Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 126
free end of the bis-muth bar of the other, the two seriesbeing separated by a strip of varn-ished paper. Any desirable numberof such series may be thus united,compactly insulated and set in ametal frame so that only the sold-ered ends are open to view. The free end of the antimonybar, representing… … 296 THERMO-ELECTRICITY, pile, with the addition of conical reflectors, is shownin Fig. 205. A change of temperature at either exposedface of the pile produces a feeble current of electricitywhich is manifested by the movement of the needle of the galvanometer. The instrumentis much used in…
Electricity · Magnetism
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