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 302
r to the ELECTROPHORUS 293 ELECTROPHORUS upper surface of the tin, remove thefinger and Hft the tin, as shown inthe figures. On presenting the fingerto the tin an electric spark can nowbe drawn from it. It is better to laythe glass on some metal surface, forinstance, the top of a stove, or a piece… … Simple Electrophorus. circle, a foot in diameter, and thenround off the sharp edges with aknife, finishing with sand-paper sothat there shall be no rough placesor angles about it. Bore a hole inthe center, in which fit a glass rod orpiece of tubing for a handle. Gluetin foil to this wooden disk,…
Games · Sports · Card games
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