Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 1040
Fig. 988 glass tube r, filled with shellac, which is run in while in a state of fusion.Between the two conductors is the glass to be perforated, V. When thispresents too great a resistance, there is danger lest the spark pass in the coilitself, perforating the insulating layers which separate the… … Fig. 989 the coil with two metallic rods whose distance from each other can be regu-lated. If then the spark cannot penetrate through the glass, it strikes across,and the coil is not injured. The coil can also be used to charge Leyden jars. With a large coilgiving sparks of 6 to 8 inches, and with…
Physics
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