London, Macmillan and Co., 1924. Orig. full cloth. Gilt lettering to spine. Frontispiece (depicting The Logical Machine). XLIV,786 pp. + Publisher's Catalogue. Underlinings throughout in red crayon. Otherwise fine.
Jevons was a pioneer of symbolic logic. The frontispiece depicts his logical machine, often called a "logical piano". It was the first logic machine with enough power to solve complicated problems with superhuman speed. It was first demonstrated before the Royal Society in 1870. - Originally issued 1874, this is the fourth reprint.
Order-nr.: 47348