3-wheel hand change combination lock by Yale Manufacturing Co.

3-wheel hand change combination lock by Yale Manufacturing Co

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3-wheel hand change combination lock by Yale Manufacturing Co
Science Museum Group
© The Board of Trustees of the Science Museum

3-wheel hand change combination lock by Yale Manufacturing Co., U.S.A.

Details

Category:
Locks & Fastenings
Object Number:
1960-229
Materials:
brass (copper, zinc alloy) and steel (metal)
type:
combination locks
credit:
Stanton, W H