Matter, ether, and motion; the factors and relations of physical science (1892)
Dolbear, A. E. (Amos Emerson), 1837-1910 · Boston, Lee and Shepard · leaf 114
ere held against a swift turning emery-wheel thatscatters the sparks in the air. The luminous trail con-sists of these heated particles. If the body is not large,and most meteors are quite small, they may be entirelyground to powder and dissipated before they can reachthe earth. Most meteors in… … DlAG. 4. way, and it is found that its heat is perceptibly increased.Small differences of this sort may be easily detectedby the use of the thermopile and galvanometer. The rubbed button or pounded or squeezed bulletplaced upon the face of the thermopile shows the pres-ence of an amount of heat…
Physics
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