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Mathematical recreations and essays (1920)

Ball, W. W. Rouse (Walter William Rouse), 1850-1925 · London, Macmillan · leaf 376

An illustration from Mathematical recreations and essays, 1920, leaf 376
his thumbs, and drawing his hands apartremoves the string from Ps hands. The diagram represents the figure asseen by P. Cats-Eye—see figure iii—also is formed by six loops, threeon each hand. There are two near (or radial) thumb strings,two far (or ulnar) index strings, while the radial thumb… … Figure iii. Cafs-Eye» Gath-Eye can be got from Snuffer-Trays thus. I suppose that Snuffer-Trays is held by Q. First. P inserts the thumb and index-finger of eachhand from below into those angles of the two side crosses of Snuffer-Trayswhich lie towards Qs hands, both thumbs being towards Qs left…

Mathematical recreations · Geometry · Astrology · Space and time · Matter · Magic squares

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