Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 551
ower lamp when hothas a resistance of 168 ohms and requires a current havingan E. M. F. of 100 volts; and, according to Ohms law (E X 100 6 — = C y =— 0595, or about — ampere. In practiceR / 168 10 528 EXPERIMENTAL SCIENCE. Fig. 512. Point where \two parts ol the \glohe lire joined \ by fusion.… … Exhaustedglass globe. High resist-ance carbon fila-ment. Made ofbamboo. Flat seal. Wires sealedin glass. IrregularitiesIn shape, f or re-tainingthelampin tbe cement. Metal casingof socket. C1 r e a i t con-troller or key. Gas pipefliture arm. The Edison Lamp. ELECTRIC LIGHTING. 529 the circuit has…
Physics · Lantern projection · Electric apparatus and appliances
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