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CHUBB'S PATENT DETECTOR LOCK
Chubb's Patent detector lock. The safety of property depends so much upon the construction of the locks by which it is secured, ...
Southampton [182-?].
[4] p. : engr. illus. ; 33.1 cm. (2º)

Folded sheet, outer forme blank. Drop-head title. Engravings signed 'W.M. Baker, Sculpt., Southampton'. Watermarked 'S / 1820'. Text incomplete at the end reading 'The Patent Detector Locks, ... are manufactured and sold by the Patentee, C. Chubb, Portsea, Hants. Sold also in London by '. Charles Chubb (1779--1845) invented the detector lock in 1818 and in 1824 secured new patents for his devices.

Binding Folded paper.

Reference Number 6308


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