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NYC Archaeological Repository:
The Nan A. Rothschild Research Center
Penta-bolt, used for securing utility boxes, manhole covers and fire hydrants, unknown first use but prob. 20th century
1
Weight 192.3 gr
Hardware
Metal
Iron
Almost complete
Indeterminate
Manhattan, City Hall Park, South of Chambers Street and East of Broadway between City Hall and Tweed Court House
2010 - 2011
Excavations at New York's City Hall Park between 2010 and 2011 produced artifacts and features from the 18th through 20th centuries. Many of these come from the Revolutionary War period when the park was the site of British barracks, ...