| CHAP. | PAGE | | I. | On Locks and Lock-literature | 1 | | II. | Ancient Locks: Grecian, Roman, Egyptian | 8 | | III. | Lock classification. The Puzzle-Lock and the Dial-Lock | 16 | | IV. | Warded Locks, with their varied appendages | 27 | | V. | On Tumbler or Lever Locks | 43 | | VI. | The Bramah Lock | 64 | | VII. | American Locks | 82 | | VIII. | The Lock Controversy: previous to the date of the Great Exhibition | 102 | | IX. | The Lock Controversy: during and since the time of the Great Exhibition | 115 | | X. | Effects of the Great Exhibition of 1851 in improving English Locks | 140 | | XI. | The Lock and Key Manufacture | 154 | | XII. | English Patents for Locks. Aubin’s Lock Trophy. Conclusion | 164 | | Appendix. | | XIII. | On an Improved Construction of Lock and Key: Fenby’s Adytic Lock | 176 | | XIV. | Fenby’s Stop Lock | 193 | | XV. | Note upon Iron Safes | 201 |
ON THE
CONSTRUCTION OF LOCKS.
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