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 295
the clock. When the hour handreaches the desired hour it touchesthe bent wire, and the current, pass-ing, rings the electric bell. The ELECTRIC INDUCTION 286 ELECTRICITY bent wire must then be removed, so … Electric Clock Alarm. that it will not obstruct the hourhand. ELECTRIC INDUCTION, Experi-ments on. I. Wind insulated wirein five or six layers around a largespool, or around a roll of pasteboardhalf an inch in diameter, and wind asimilar coil on a roll large enough toslip over the first. Connect…
Games · Sports · Card games
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