Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 584
fuse, shown in Fig. 538, is employed in elec-tric blasting. It is simply a gutta-percha-covered con-ductor, twisted together and interrupted. It is buried in INDUCTION BY ELECTRIC CURRENTS. 561 gunpowder, which is ignited when the spark from theinduction coil passes the break in the conductor. When… … Geisslers Tubes. water. It consists of a vessel having two platinum polesconnected with the secondary wires, and covered by twoglass tubes suspended over them. The vessel and the tubesare filled with water acidulated with sulphuric acid. Oxy-gen is disengaged at the positive electrode, and…
Physics · Lantern projection · Electric apparatus and appliances
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