Boys' own book : a complete encyclopedia of athletic, scientific, outdoor, and indoor sports (1881)
Clarke, William, 1800-1838 · New York : J. Miller, Publisher · leaf 525
dge tliat there is not only plulosophy but lit-erature, in your sport. 240 PHILOSOPHY IN SPOKT I must not quit this subject, said Mr. Seymour, unti.I have exhibited another toy, which, like the Thaumatrope,is indebted for its effect to the optical principle, which I trustis now well understood by… … It consists of a disk of blackened tin plate, which is madeto revolve on its axis in the- manner above exhibited. A nar-row opening extends from the circumference to the center asseen at a. If a device of any kind, as a star (which for in-creasing the beauty of the experiment ought to be…
Amusements · Games · Sports
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