Rudimentary Treatise on the Construction of Locks

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PREFACE.

ADVERTISEMENT.

CONTENTS.

CHAPTER I. ON LOCKS AND LOCK-LITERATURE.

CHAPTER II. ANCIENT LOCKS: GRECIAN, ROMAN, EGYPTIAN.

CHAPTER III. LOCK CLASSIFICATION. THE PUZZLE-LOCK AND THE DIAL-LOCK.

CHAPTER IV. WARDED LOCKS, WITH THEIR VARIED APPENDAGES.

CHAPTER V. ON TUMBLER, OR LEVER LOCKS.

CHAPTER VI. THE BRAMAH LOCK.

CHAPTER VII. AMERICAN LOCKS.

CHAPTER VIII. THE LOCK CONTROVERSY: PREVIOUS TO THE DATE OF THE GREAT EXHIBITION.

CHAPTER IX. THE LOCK CONTROVERSY: DURING AND SINCE THE TIME OF THE GREAT EXHIBITION.

CHAPTER X. EFFECTS OF THE GREAT EXHIBITION OF 1851 IN IMPROVING ENGLISH LOCKS.

CHAPTER XI. THE LOCK AND KEY MANUFACTURE.

CHAPTER XII. ENGLISH PATENTS FOR LOCKS AUBIN'S LOCK TROPHY.

APPENDIX . CHAPTER XIII. ON AN IMPROVED CONSTRUCTION OF LOCK AND KEY. [12]

INDEX.

Transcriber's Note

Title: Rudimentary Treatise on the Construction of Locks

Author: A. C. Hobbs

Editor: Charles Tomlinson

Language: English

Character set encoding: UTF-8

E-text prepared by deaurider, Harry LamÉ,
and the Online Distributed Proofreading Team
(http://www.pgdp.net)
from page images generously made available by
Internet Archive
(https://archive.org)

Note: Images of the original pages are available through Internet Archive. See https://archive.org/details/rudimentarytreat00hobb

Please see the Transcriber’s Note at the end of this text.



RUDIMENTARY TREATISE
ON THE
CONSTRUCTION OF LOCKS.


LONDON:
PRINTED BY LEVEY, ROBSON, AND FRANKLYN,
Great New Street and Fetter Lane.


RUDIMENTARY TREATISE
ON THE
CONSTRUCTION OF LOCKS.
EDITED BY
CHARLES TOMLINSON.

“Il n’y a point de machines plus communes que les serrures: elles sont assez composÉes pour mÉriter le nom de machine; mais je ne sais s’il y en a qui soient aussi peu connues par ceux qui les emploient. Il est rare qu’on sache en quoi consiste la bontÉ d’une serrure, le degrÉ de sÛretÉ qu’on peut s’en promettre. Leur extÉrieur est presque la seule chose À quoi l’on s’arrÊte. Les usages importans auxquels elles sont employÉes devraient cependant exciter la curiositÉ À les connaÎtre, si la curiositÉ Était toujours excitÉe raisonnablement.”—M. de RÉaumur, “Des Serrures de toutes les espÈces,” forming the fifth chapter of M. Duhamel’s Treatise “Art du Serrurier,” in the “Descriptions des Arts et Metiers faites ou approuvÉes par Messieurs de l’AcadÉmie Royale des Sciences.”

LONDON:
JOHN WEALE, 59 HIGH HOLBORN.
MDCCCLIII.


“There are no machines more common than locks: they are sufficiently complex to merit the name of machine; but I know of no others the structure of which is so little understood by those who use them. It is rare to find any one who knows wherein the goodness of a lock consists, or the degree of security that he can attach to it. The outside of a lock is usually all that attracts attention. Doubtless the important uses to which locks are applied would excite curiosity respecting their structure, if curiosity were always excited for worthy objects.”—M. de RÉaumur.


                                                                                                                                                                                                                                                                                                           

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