Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 639
mately so. Probably the most desirable source of light f(jr all pur- 6i6 EXPERIMENTAL SCIENCE. poses is the ox3-hydrogen or calcium light. The burnershown in Fig. 581 is an excellent one. It is provided with aplatinum-tipped jet and is arranged for every adjustment.The lime cylinder can be revolved… … Arrangement of Electric Candle for Lantern Use. which considerable pressure is maintained. Gas bags areunsafe when used in connection with a burner of this kind.In the electric lamp shown in Fig. 587, a Jablochkoff can-dle is employed. It is superior to the calcium light, andgives very little…
Physics · Lantern projection · Electric apparatus and appliances
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