Patent Model - Improvement in Locks for Pianos, &c.

Maker and role
Amos Blake, Patentee
Production date
Jan 12 1877
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Object detail

Media/Materials
Metal
Measurements
18 3/4 x 16 1/2 x 1 1/2" (47.6 x 41.9 x 3.8cm)
Description
Blake's patent was intended to "furnish a lock-case, the cap or cover-plate of which acts as a spring for holding the bolt in any position desired." (Patent Number 186,450)
Object number
2015.14.2318
Currently on display?
No

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