INDEX.
211
- ing, 132, contrivances to prevent the picking of locks, 105.
- Lock trophy, Aubin's, 166; locks composing the, described, 165.
- Lock and key, improved, 176.
- Locks, English patents for, 164; Jury Report, Exhibition of 1851, on, 131; observations on the Report, 133; effects of the Exhibition of 1851 in improving English locks, 140; use of machinery in the manufacture of, 163, 200.
- Locks, &c., invented by the Marquis of Worcester, 35.
- Locks and keys, literature of, 4; list of references in the "Transactions of the Society of Arts" relating to, 166.
- Louis XVI, his fondness for lockmaking, 26, 35.
- Machin's web key, 61.
- Mackinnon's key, 62.
- Manufacture of locks and keys at Wolverhampton, state of the, 154.
- Marshall's secret escutcheon, 37.
- Master keys, 31.
- Meighan's alarum lock, 40.
- Mitchell and Lawton's tumbler lock, 52.
- Mortise locks, 17, 18.
- Maltiple-bolt locks, 41.
- Nettlefold's lock, 60. Newell's parautoptic lock, 89.
- O'Brien, Captain, on Davies's lock, 112.
- Owen's experiments on Chubb and Bramah locks, 59.
- Parautoptic lock, 89; key, 91; Austrian Report on, 93; English patent for, 98; attempts to pick the, in America, 106; Report of the American Institute on the lock, 107; latest challenge issued by Messrs. Day and Newell, 108; Mr. Garbutt's attempt to pick the, 184; failure of the attempt, 135.
- Parnell's defiance lock, 141.
- Parson's lock, 61.
- Patents, English, for locks, 164.
- Pin-lock of Egypt, 14.
- Puzzle-lock, 19.
- Regnier's puzzle locks, 21.
- Right-hand lock, 17.
- Ring lock, 17.
- Roman locks, 10.
- Rowntree's tumbler lock, 50.
- Russell's screw-lock for casks, 38.
- Russian locks, 171.
- Rutherford's lock, 39.
- Ruxton's detector for tumbler locks, 5d.
- Safes, value of iron, 901; Chatwood's, 203; see also Iron Safes.
- Saxby's prize lock, 152; picked by Mr. Hobbs, 153.
- Screw locks, $8.
- Skeleton keys, 30.
- Society of Arts' prize look, 30.
- Somerford's lock, 60.
- Spring-stock luck, 17.
- Stansbury's lock, $3.
- Stop lock, Fenby's, 196.
- Straight locks, 18.
- Tentative process of lock-picking, 110.
- Three-bolt lock, 17.
- Tumbler locks, 43; lock described by M. de Réaumnur, 46 5 modern tumbler lock, 82; introduction of the detector, 53; Chubb's lock, 53, 56; key of, 57; advantages and defects of tumbler locks, 63; Hobbs's method of adjustment, 63.
- Tumbler locks, Mr. Fenby on, 174; method of picking, 118; double action, 49.
- Two-bolt lock, 17.
- Ward locks, 18.
- Warded locks, 27; action of the key on the wards, 28; insecurity of, 29; warded locks of the last
