Matter, ether, and motion; the factors and relations of physical science (1892)
Dolbear, A. E. (Amos Emerson), 1837-1910 · Boston, Lee and Shepard · leaf 191
theelectrical work done, and we may say that heat hasbeen converted into electricity, a thermal origin. 2. CHEMICAL ORIGIN. When a piece of copper is dipped into a vessel ofwater, and a wire leading from it is connected to aproper electrometer, it is found to be electrified to acertain degree. If a… … I78 MATTER, ETHER, AND MOTION the wire, as in the case with the thermopile. Thiscurrent will be a transient one, or very slight, if thewater be pure ; but if a little acid like sulphuric beadded to the water, the current may be relatively astrong one. If, instead of the zinc and copper, anyother…
Physics
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