The Hog Island Cranes, located in

Trenton, New Jersey Trenton is the capital city of the U.S. state of New Jersey and the county seat of Mercer County. It was the capital of the United States from November 1 to December 24, 1784.steam Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization ...

gantry cranes built in 1917 by the

McMyler-Interstate Company The McMyler-Interstate Company, a pioneer in the design, development, and manufacturing of ore- and coal-handling equipment as well as a manufacturer of heavy industrial equipment, was established in 1910 as the result of a consolidation of four ...

Cleveland, Ohio Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S. ...

, for the

Hog Island, Philadelphia Hog Island is the historic name of an area southeast of Tinicum Township, Pennsylvania along the Delaware River, to the west of the mouth of the Schuylkill River. Philadelphia International Airport now sits on the land that was once Hog Island. ...

, shipyard. They helped produce warships during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

, are representative of an important era of heavy lifting equipment, and played an important role in 20th-century waterfront technology. They were added to the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

on June 17, 1980, for their significance in commerce, engineering, industry, and transportation. With

History and description

The two cranes now in Trenton were sold as government surplus in 1930 to the municipal government for $5,000, a fifth of the original cost, and were installed at the Trenton Marine Terminal in 1932. The cranes had a 15-ton capacity and are mounted on tracks that run along the

Delaware River The Delaware River is a major river in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. From the meeting of its branches in Hancock (village), New York, Hancock, New York, the river flows for along the borders of N ...

waterfront at Trenton's southern limits. They were overhauled in 1952 and stand about tall. Only the substructure of the cranes is currently in place.

References

{{NRHP in Mercer County, New Jersey Industrial buildings and structures on the National Register of Historic Places in New Jersey National Register of Historic Places in Trenton, New Jersey Industrial buildings completed in 1917 Buildings and structures in Trenton, New Jersey New Jersey Register of Historic Places Individual cranes (machines)

History and description

See also

References