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Section Patrol Craft Photo Archive

Gem (SP 41)

Patrol Yacht: Built in 1913 by George Lawley and Sons, Neponset, MA; Acquired by the Navy 26 March 1917; Commissioned 1 June 1917 at New York; Decommissioned 10 January 1919 and returned to her owner, William Ziegler, Jr. of Noroton, CT. Fate unknown.

Specifications: Displacement 201 t.; Length 146' 6"; Beam 18'; Draft 7'; Speed 15 kts.; Complement unknown; Armament two 3-pounders.

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For Full Size Image		 Size Image Description Source
Yacht Gem
Gem 72k c. 1913 Jim Rogers
Gem 135k Relatively fine-screen halftone reproduction of a photograph taken prior to World War I.
Figure 29 of "The Science of Low Visibility and Deception as an Aid to the Defense of Vessels Against Attack by Submarines", by Lindell T. Bates, 1918. In 1974 the original volume was in Record Group 45 at the U.S.
National Archives.
U.S. Navy photo NH 79362		 Naval Historical Center
USS Gem (SP 41)
Gem 128k Relatively fine-screen halftone reproduction of a photograph taken during World War I, while she was painted in a camouflage scheme devised by the Submarine Defense Association.
Figure 30 of "The Science of Low Visibility and Deception as an Aid to the Defense of Vessels Against Attack by Submarines", by Lindell T. Bates, 1918. In 1974 the original volume was in Record Group 45 at the U.S.
National Archives.
U.S. Navy photo NH 79363		 Naval Historical Center
Yacht Gem
Gem 128k Relatively coarse-screen halftone reproduction of a photograph taken in the spring of 1919, while she was being refitted at Robert Jacob Shipyard, City Island, NY when she was being converted back to pleasure use.
Copied from "The Rudder" magazine, June 1919, page 263.
Courtesy of Robert F. Sumrall, 1972.
U.S. Navy photo NH 75655		 Naval Historical Center
View the Gem (SP 41)
DANFS history entry located on the Naval Historical Center web site
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