An Integrating Machine in The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science 11 pp. 342-348, January-June 1881 [EARLY ANALOG COMPUTING DEVICE]
London: Taylor and Francis. FIRST EDITION OF THE FIRST PUBLISHED DESCRIPTION OF BOYS’ INTEGRAPH, AN ANALOG COMPUTING DEVICE THAT MECHANICALLY PLOTTED THE INTEGRAL OF A GRAPHICALLY DEFINED FUNCTION. Sir Charles Vernon Boys (1855-1944) was an innovative, fastidious, British physicist and inventor who received many honors and awards. A noteworthy development..... More