On the Construction of Locks and Keys

Description

Author: John Chubb (? - 1872) Published 1850 INSTITUTION OF CIVIL ENGINEERS Excerpt Minutes of Proceedings London Hardbound, 36 pages with engravings VERY Rare, Out of Print for 150 years This slim volume is one of the primary references of most histories of locksmithing and lock making technology today. Its early history is repeated over and over in later books including its mistakes. Illustrations from this work are also reproduced over and over. John Chubb was the son of Charles Chubb who was the brother of Jeremiah Chubb who patented the famous "dector lock" in 1818. Charles was a blacksmith and when his brother Jeremiah joined him they became the Chubb Lock Company. John became the sole proprietor of the business in 1846 upon the death of his father. The family ran the business well into the 20th century. Title Plate and Title Page 1 Opening Speech, April 9, 1850 - Note on Egyptian Locks 3 Fig. 1. Egyptian Lock - Hebrew Text 5 Fig. 2. Letter Lock with Exploded view 7 Fig. 3. Warded Lock 9 Fig. 4. Barron's Lock (Lever Tumbler) 11 Fig. 5. Bramah's Lock 12 Fig. 6. Chubb's Lock 14 APPENDIX Note A. Crime - Robbery 17 Fig. 7. Note B. Chubb's Quadruple Lock 18 APPENDIX Note C. Chubb Letter of Reference 19 APPENDIX Note D. List of lock patents 1774 - 1849 19 APPENDIX Note E. List of Refferences 21 Fig. 8. Chubb's Fire-Proof Iron Safe 22 Fig. 9. Jack in the Box 23 Fig. 10. Nettlefold's Lock, Pat. 1839 30