Sources on U.S. Naval History homepage
Repository List for Pennsylvania
Naval Historical Center, 805 Kidder Breese St SE, Washington Navy Yard, DC 20374-5060
The Franklin Institute
222 North 20th Street
Philadelphia, PA 19103
Cramp Shipyard
Records, 1830-1946
15 feet
Lenthall, John
Papers, 1807-1882
John Lenthall was a naval constructor and Chief of the Bureau of Construction and Repair.
3 feet
Midvale Steele
Collection, 1904-1915
The collection includes materials on the construction and testing of armor plate and guns for the Navy.
1 foot
8 May 2002