Two box locks

Object Number: 
INV.912ab
Date: 
1860-1910
Medium: 
Iron, brass
Dimensions: 
Overall: 5 x 7 x 1 1/2 in. ( 12.7 x 17.8 x 3.8 cm )
Marks: 
struck: on brass disk of smaller lock: "H.W. PREMIUM PATENT APP. FOR"
Description: 
Two rectangular black painted iron box lock with some internal brass parts.
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group