Patent Model - Cylinder Lock and Key

Maker and role
Laurence Mouat, Jr. (b.1864, d.1950), Patentee
Production date
Dec 08 1891
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Object detail

Brass, steel
2 1/2 x 2" (6.4 x 5.1cm)
30 1/8 x 17 x 2 1/4" (76.5 x 43.2 x 5.7cm)
Mouat's invention "relates to combination-locks and keys therefore; and it consists, first, in a key provided with a straight edge on one side and a zigzag edge or portion on the other side, the zigzag edge or portion being preferably provided with a bit and the straight edge being preferably extended beyond the zigzag portion or brought to a point, so as to be readily inserted through the tumblers of the lock..." (Patent Number 464,579)
Object number
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