Discusses locks as theft retardants; coincidental lock was developed to take advantage of fact that drivers almost universally turn off ignition switch when leaving car unattended; it makes locking and ignition functions interrelated so that it is impossible to open ignition circuit without either previously or simultaneously locking car; illustrated description of various types represented among locks now classified as Group 1.
Coincidental locks
Soc. Automotive Engrs. -- Jl.
Society of Automotive Engineers -- Journal ; 19 , n 2
1926
18 pages
36 Figs.
Article (Journal)
English
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