Ball, W. W. Rouse (Walter William Rouse), 1850-1925 · London, Macmillan and Co., limited · leaf 393
ks his left index in the straight little-finger string, and pulls it towards P. Finally. P releases all but the index loops. The sawing movement can then be made. Lightning. I proceed next to give two examples of figures which do not start from Opening A : both are easy to produce. The first… … Lightning is produced thus (Jayne, pp. 216 — 219). First. Hold the string in one place between the tips of the thumb and index-finger of the right hand and in another place between the tips of the thumb and index-finger of the left hand, so that a piece passes between the hands and the rest hangs…
Geometry · Astrology · Space and time · Matter · Magic squares · Mathematical recreations
Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931). Free to use for anything.
