John M. Mossman Lock Museum

The John M. Mossman Lock Collection is housed at the General Society of Mechanics and Tradesmen of the City of New York building, located at 20 West 44th Street in midtown Manhattan, which is listed on the National Register of Historic Places. The museum houses one of the largest collections of bank and vault locks in the world, with more than 370 locks, keys and tools dating from 4000 BC to the modern 20th-century.

John M. Mossman Lock Museum

The John M. Mossman Lock Collection is housed at the General Society of Mechanics and Tradesmen of the City of New York building, located at 20 West 44th Street in midtown Manhattan, which is listed on the National Register of Historic Places. The museum houses one of the largest collections of bank and vault locks in the world, with more than 370 locks, keys and tools dating from 4000 BC to the modern 20th-century.