212
INDEX.
- 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
THE END.
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