Page:Rudimentary Treatise on the Construction of Locks (1853).djvu/226

212 : century, 31; insecurity of, illustrated by Mr. Chubb, 34; Bramah on the defects of, 66; Mr Fenby on, 173.
 * Wheel locks, 18.
 * Wheel and pinion, application of, to locks, 39.
 * Williams's lock, 62.
 * Wolverhampton, account of the state of the lock and key manufacture at, 154.
 * Worcester, inventions of the Marquis of, relating to lock-making, 35.


 * Yale's lock, 83; method of picking, 140.
 * Yale's cylinder lock, 152