Patent Model - Improvement in Combined Knob-Latch and Lock
Maker and role
Conrad Brown (b.1819, d.1893?), Patentee
Production date
Jan 21 1868
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Object detail
Media/Materials
Brass
Measurements
3 3/8 x 6 1/2 x 6" (8.6 x 16.5 x 15.2cm)
Description
Brown's patent for a door lock "consists in uprights between which the falling tumblers play, and provided with peculiarly-shaped slots, through which the bits of a key, constructed especially for these slots, pass to lift the falling tumblers out of a notch in the door-bolt." (Patent Number 73,498)
Collection
Object number
2015.14.812a-c
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Maker
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