18 HERBERT SPENCER who had been one of Mr George Spencer's pupils,- a man of mechanical genius, who was at that time resident engineer of the London division of the " London and Birmingham " railway, and afterwards became well known as the designer and constructor of the Exhibition-Building of 1851. Spencer had surveying and measuring, drawing ant! calculating to do, and he threw off the slackness which marked his school-days. During the first six months in London he never went to any place of amusement and never read a novel, but gave his leisure to mathematical questions and to suggesting little invention* or im- proved methods. A transference for the summer months to Wembly, near Harrow, gave him even more time for study, and we read of an appliance by which he proponed to facilitate some kinds of sewing* He ueema to have pleased his employer well, for in September iHjH he was advanced to a post of draughtsman in awnectton with the " Gloucester and Birmingham *' railway, at a salary of ^120 yearly. Thus the next two years were spent at Worcester, where he had hit* first experience of working alongside of other young men, to whom he appeared rather an M oddity,** though not one to be "quizzed." His "mental excunrivcneii*" grew stronger and stronger, and had occasionally useful results, leading, for instance, to an article in The Gml Engineer and Architect** Journal (May 1839) on a new plan of projecting the spiral courses In ikcw bridges, to a re-invention of Nicholson** Cyclogrtph, and to an improvement in the apparatus for giving and receiving the mail-bags carried by trtioa. Many fcv^mr.~-In 1840, Spencer