D M & Co
Davenport Mallory
Rim Lock
3 1/2 Inches Deep
4 1/4 Inches Tall at back (4 1/2 at front)
11/16 Inches Wide at back (15/16 at front)
Spring mechanism works well. Bolt lock untested. Keys not included. Includes the extra pieces shown in photos. These were used together but may not be original to the lock.