The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 230
rovels Battery. — This is an exceedingly efficient form of the Galvanic Battery,and is now quite exten-sively employed for tele-graphing and other pur-poses requiring quantityas well as intensity ofgalvanic action. The con-struction and arrange-ment of the various parts may be learned fromFig. 184.… … TROUGH BATTERY. 225 is placed a thick cylinder of amalgamated zinc, standing onshort legs, and divided bj a longitudinal opening on one side,to allow a free circulation of the liquid. Within this cyl-inder is an unglazed porcelain cell, in which is suspended astrip of platinum soldered to the end…
Physics
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