Ball, W. W. Rouse (Walter William Rouse), 1850-1925 · London, Macmillan · leaf 392
trings, hooks his left index in the straight little-finger string,and pulls it towards P. Finally. P releases all but the index loops. Thesawing movement can then be made. Lightning. I proceed next to give two examples of figureswhich do not start from Opening A: both are easy to produce.The first… … Figure xiii. Zig-zag Lightning. Lightning is produced thus (Jayne, pp. 216—219). First. Hold the stringin one place between the tips of the thumb and index-finger of the right handand in another place between the tips of the thumb and index-finger of the lefthand, so that a piece passes between the…
Mathematical recreations · Geometry · Astrology · Space and time · Matter · Magic squares
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