Monroe MA-6-173
Thrift store find. The MA-6-173 is a divided stepped-drum electromechanical adding machine first manufactured in 1930. This one dates from the early- to mid-'40s.
Thrift store find. The MA-6-173 is a divided stepped-drum electromechanical adding machine first manufactured in 1930. This one dates from the early- to mid-'40s.