Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 791
and the wholeis finally coated with black varnish. The free ends of the wire a a are pressed into smallgrooves in the head of the cylinder (fig. 736), and eachend is bent into one of the small channels with which thecylinder is provided, and which are at right angles tothe central perforation. They… … Fig. 735- Fig. 736. 766 Frictiojial Electricity. [794- the small copper tubes or eyes, and fixed there by bending the wire roundon to the wood, as shown at e. The conducting wire used in firing may be thin, but it must be w-ellinsulated. One end which is bared, having been pressed into the hole dof…
Physics
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