The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 21
Page 10
... lock picker to waste time and effort . The 18th - century French excelled in making beautiful and intricate locks . bolt After F.P. Gillman key loose pins Lock A lock is a mechanical device for securing a door or receptacle so that it ...
... lock picker to waste time and effort . The 18th - century French excelled in making beautiful and intricate locks . bolt After F.P. Gillman key loose pins Lock A lock is a mechanical device for securing a door or receptacle so that it ...
Page 11
... lock . In 1784 ( between Barron's lock and Chubb's improvements on it ) a remarkable lock was pat- ented in England by Joseph Bramah . Working on an entirely different principle , it used a very ... locks and safes . Over the years. Lock 11.
... lock . In 1784 ( between Barron's lock and Chubb's improvements on it ) a remarkable lock was pat- ented in England by Joseph Bramah . Working on an entirely different principle , it used a very ... locks and safes . Over the years. Lock 11.
Page 12
... Locks have been made that can be opened or closed by different keys but can be unlocked only by the key that closed them . So - called unpickable locks are usually de- vised to prevent a thief from exploring the positions of the lock ...
... Locks have been made that can be opened or closed by different keys but can be unlocked only by the key that closed them . So - called unpickable locks are usually de- vised to prevent a thief from exploring the positions of the lock ...
Other editions - View all
Common terms and phrases
applied army atoms bearings became become body called cause central centre century church complete connected continued cutting direction Dutch early effect electric electrons energy equal example expressions fact field Figure force France French function gears German give given House important increased industry Italy King known land later load logic London Louis lubricant machines magnetic major material means mechanical ment miles motion move movement natural obtained operations original period political population position possible principles problem produced properties propositions region relations remained result River rotation rule shaft speed square surface temperature theory tion tool towns true turn types United universal usually valid