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In The Cradle of Industry and Liberty

An illustrated history of Philadelphia's manufacturing sector paired with the histories of local companies that make the city great.

An illustrated history of Philadelphia's manufacturing sector paired with the histories of local companies that make the city great.

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Clockwise, starting from the top:<br />

This c. 1905 photo shows one <strong>of</strong> the dry<br />

docks under construction at the Philadelphia<br />

Navy Yard at League Isl<strong>and</strong> at the southern<br />

edge <strong>of</strong> the city. <strong>The</strong> U.S. Navy moved to<br />

League Isl<strong>and</strong> in 1876 <strong>and</strong> built ships,<br />

aircraft, <strong>and</strong> other equipment there until it<br />

decommissioned the Navy Yard in 1996.<br />

PRINTS AND PHOTOGRAPHS DIVISION,<br />

LIBRARY OF CONGRESS.<br />

Another Delaware River isl<strong>and</strong> at the<br />

southern tip <strong>of</strong> Philadelphia, Hog Isl<strong>and</strong>, also<br />

figured prominently during World War I.<br />

Hog Isl<strong>and</strong> was taken over by the federal<br />

government in 1917 for conversion to a<br />

military vessel assembly complex for the<br />

War. Construction <strong>of</strong> the facility began in<br />

December 1917 <strong>and</strong> was completed in spring<br />

1918, by which time Hog Isl<strong>and</strong> employed<br />

over 35,000 workers <strong>and</strong> was the largest<br />

shipyard in the world. Vessels were assembled<br />

rather than constructed at the facility; their<br />

components were manufactured elsewhere<br />

<strong>and</strong> put together at Hog Isl<strong>and</strong>. <strong>The</strong> huge<br />

facility was short-lived, however. World War I<br />

<strong>The</strong> Navy also operated an aircraft<br />

factory at the Philadelphia Navy Yard.<br />

Here male <strong>and</strong> female employees work on<br />

the undercarriage <strong>of</strong> an aircraft bomber<br />

in 1942.<br />

PHILADELPHIA RECORD PHOTOGRAPH COLLECTION,<br />

HISTORICAL SOCIETY OF PENNSYLVANIA.<br />

A National Guardsman st<strong>and</strong>s on<br />

duty at the gate to the Schuylkill Arsenal<br />

in Grays Ferry in this undated early<br />

twentieth-century photo. Founded in 1799<br />

<strong>and</strong> renamed the Quartermaster Corps<br />

Philadelphia Depot in 1926, the Schuylkill<br />

Arsenal made military clothing <strong>and</strong> textiles<br />

for over 150 years before closing in<br />

the 1960s.<br />

PHILADELPHIA WAR PHOTOGRAPH COMMITTEE<br />

COLLECTION, HISTORICAL SOCIETY OF PENNSYLVANIA.<br />

Delaware <strong>and</strong> Schuylkill Rivers at the southern<br />

tip <strong>of</strong> the city, for conversion to a new<br />

navy yard. By 1876 the move to the new<br />

facility was complete <strong>and</strong> the Southwark<br />

yard was closed. A series <strong>of</strong> dry docks were<br />

built beginning in 1891 at the new facility,<br />

which focused primarily on reconditioning or<br />

scrapping existing vessels until World War I,<br />

when it began an active program <strong>of</strong> building<br />

new ships. During the latter period, the<br />

Navy’s first <strong>and</strong> only propeller manufacturing<br />

facility was built at the Navy Yard. Ship<br />

building continues on the site, but League<br />

Isl<strong>and</strong> as a separate l<strong>and</strong> mass has long since<br />

disappeared, the area having been filled in<br />

over time <strong>and</strong> connected to the mainl<strong>and</strong>.<br />

CHAPTER FOUR<br />

77

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