3-wheel keyless combination lock

Made:
1949 in New York

3-wheel keyless combination lock, model M6730 MP, by Sargent and Greenleaf, New York, U.S. A., with combination changing key, c.1949

Details

Category:
Locks & Fastenings
Object Number:
1960-228
Materials:
brass (copper, zinc alloy) and steel (metal)
type:
combination locks
credit:
Stanton, W H