Patent Model - Improvement in Locks
Maker and role
Lincoln Merriam, Patentee
Production date
May 20 1879
See full details
Object detail
Media/Materials
Brass
Measurements
17 1/2 x 16 1/4 x 1 1/2" (44.5 x 41.3 x 3.8cm)
Description
The object of Merriam's patent "is to construct locks and latches with a system of cheaply adjusted tumblers that shall be mechanically secure against being operated except by its own key or an exact duplicate thereof." (Patent Number 215,649)
Collection
Object number
2015.14.2889
Currently on display?
Maker
Public comments
Be the first to comment on this object record.