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This little booklet did not have a table of contents or index nor was one needed.
We have added this short list as a convienience.

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

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