Mathematical Recreations And Essays1892. This book contains descriptions of various problems of the kind usually termed Mathematical Recreations and a few Essays on some analogous questions. Contents: Arithmetical Recreations; Geometrical Recreations; Mechanical Recreations; Chessboard Recreations; Magic Squares; Bees and Their Cells; Unicursal Problems; Kirkman's School-Girls Problem; Miscellaneous Problems; Calculating Prodigies; Cryptographs and Ciphers; String Figures; and Three Classical Geometrical Problems. |