Boys' own book : a complete encyclopedia of athletic, scientific, outdoor, and indoor sports (1881)
Clarke, William, 1800-1838 · New York : J. Miller, Publisher · leaf 265
rface as the focus is behind it, that is, at the bottom ofthe larger box ; a commimication being made between theboxes by the vacant space, Q 0. This instrument is fre-quently used for the delineation of landscapes : for whichpurpose, the draughtsman, putting his head and hand intothejjox, through… … boys own book. 237 THE MAGIC LANTERN. The object of this ingemoxis instrument is to represent,in a dark room, on a white wall or cloth, a succession ofenlarged figures, of remarkable natural or grotesque ob-jects. The figure on this page is a representation of one.It consists of a tin box, with a…
Amusements · Games · Sports
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