Combination changing key for 4-wheel roller bolt combination lock
Combination changing key by Chubb for 4-wheel roller bolt combination lock, locked-on back, by Sargent and Greenleaf, New York, U.S.A.
- Materials:
- metal (unknown)
- Object Number:
- 1960-230/1
- type:
- key
- Image ©
- The Board of Trustees of the Science Museum