Parautoptic lock, exhibited at the 1851 Great Exhibition

Made:
1851

Parautoptic lock, by Day & Newell, Manhattan, New York, New York State, United States of America, 1851. Exhibited at the 1851 Great Exhibition, London, England. Despite many attempts, there is no record that this lock has ever been picked.

Details

Category:
Locks & Fastenings
Object Number:
1970-349/1
Materials:
brass (copper, zinc alloy), copper (alloy) and steel (metal)
credit:
Chubb and Son's Lock and Safe Co.