Locks and Safes. The construction of locks; compiled from the papers of A. C. Hobbs, ... and edited by C. Tomlinson. ... To which is added a description of ... J. B. Fenby's patent locks, and a note upon iron safes. By R. Mallet PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Locks and Safes. The construction of locks; compiled from the papers of A. C. Hobbs, ... and edited by C. Tomlinson. ... To which is added a description of ... J. B. Fenby's patent locks, and a note upon iron safes. By R. Mallet PDF full book. Access full book title Locks and Safes. The construction of locks; compiled from the papers of A. C. Hobbs, ... and edited by C. Tomlinson. ... To which is added a description of ... J. B. Fenby's patent locks, and a note upon iron safes. By R. Mallet by A. C. HOBBS (of New York.). Download full books in PDF and EPUB format.
Author: A. C. HOBBS (of New York.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 256
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Author: A. C. HOBBS (of New York.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 256
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Book Description
Author: A. C. Hobbs
Publisher:
ISBN:
Category : Locks and keys
Languages : en
Pages : 194
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Author: Alfred Charles Hobbs
Publisher:
ISBN: 9780901571304
Category : Locks and keys
Languages : en
Pages : 212
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Author: A. C. Hobbs
Publisher:
ISBN:
Category : Locks and keys
Languages : en
Pages : 204
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Author: A. C. Hobbs
Publisher:
ISBN:
Category :
Languages : en
Pages : 312
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The manufacture of locks, and a consideration of the mechanical principles involved in their construction and security, have never yet been treated with any degree of fulness in an English work. Lock-making has occupied a large amount of ingenuity, and lock-patents have been obtained in considerable number, though not always, we are satisfied, with a commensurate return for the expense incurred,--but lock-philosophy (if so it may be designated) has not been largely attended to.And yet it may safely be said that much which is both mechanically and commercially important is comprised in a lock. Every improvement in the manufacture of iron, steel, and brass--that is, in the tool-making and machine-making processes--may be made to reflect its light on the lock-manufacture; the stamping, the casting, the planing, the slotting, the screw-cutting, the polishing of metals,--all, in proportion as they are improved, impart some of their aid to the lock-maker. Then, in the finer kinds of locks, the works are so delicate as to approach to the nicety of clockwork; thereby combining the manipulative skill of a talented artisan with the rougher mechanical work of the smith. The principles of mechanical science are also appreciated by many lock-makers. The lever, the inclined plane, the eccentric, the cam, the screw, the wheel and pinion, the ratchet, the spring,--all are brought to bear on the internal mechanism of locks, frequently in many novel combinations.
Author: A. C. Hobbs
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Joseph BRAMAH
Publisher:
ISBN:
Category :
Languages : en
Pages : 60
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Author: Joseph Bramah
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ISBN:
Category : Inventions
Languages : en
Pages : 68
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Author: a. c Hobbs (of New York.)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: A. C. Hobbs
Publisher:
ISBN:
Category :
Languages : en
Pages :
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