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 23
NORTHOSCOPE orthoscope. Suppose the figure tobe that of a card as shown in theillustration. Draw Hnes from thecenter of the disk through the anglesof the card, and others to the pointsI, 2, 3, etc., at intervals of any de-sired number of degrees, say five, as in the plan on page 15. The positionof… … Anorthoscope Designs. in drawing materials.) Then drawan equal number of lines from thecenter, twenty-five degrees apartto the points i, 2, 3, 4, etc., repre-senting the first lines opened out likea fan. Take any line of the figure,and measure the distance, from thecenter, of the point where it…
Games · Sports · Card games
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