The young folk's cyclopædia of games and sports ; (1899)
Champlin, John Denison, 1834-1915, Bostwick, Arthur Elmore, 1860-1942, joint author · New York, H. Holt and company · leaf 376
ssary to surround the needlewith many coils of wire. Thus veryexpensive and delicate galvanom-eters are constructed, but a simpleone can be made by any one, as fol-lows : GALVANOMETER 367 GENTEEL LADY Make a wooden frame, A, aboutfour inches square and about aninch thick, either glued together… … H K Home-made Galvanometer. ends of the wire in the brass bind-ing-screws H and K. Fix an archof copper wire, D, in the frame, onwhich is a cork, E. From the corkis suspended a narrow strip of paper-G, by a silk fibre or a hair, F. Notwisted thread must be used. Thehair is best fastened to the…
Games · Sports · Card games
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