Boys' own book : a complete encyclopedia of athletic, scientific, outdoor, and indoor sports (1881)
Clarke, William, 1800-1838 · New York : J. Miller, Publisher · leaf 270
board, about two feet long and one foot wide, as A BD, and place thereon a circular piece of card or stiff draw-ing paper, on which a distorted figure is to be drawn, that,being viewed from the point H, shall appear regular, andexactly resembling that which is placed at M F. Fix at the end of the… … raised or lowered at pleasure, and to which is fixed a brassarm, bearing a sort of conical funnel, D, and whose open-ing at the end next the light is not more than three or fourtenths of an inch in diameter. Draw the subject you would represent on a piece of glassof equal height with the space M F,…
Amusements · Games · Sports
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