Ball, W. W. Rouse (Walter William Rouse), 1850-1925 · London, Macmillan · leaf 88
CH. IV] GEOMETRICAL RECREATIONS 67 possibledesigns increases with startling rapidity*. I contentmyself with giving two illustrations of designs of pavementsconstructed with sixty-four such tiles, all exactly alike.
Geometry · Cryptography · Ciphers
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
