SHAMROCK -- New York, 8/17/14 - Glass negative photogrpah. Public domain.

Photograph shows Sir Thomas Lipton's yacht, Shamrock IV which was crossing the Atlantic when World War I started. Yacht was taken to Shewan Shipyard, Brooklyn for repairs and storage until the end of the war. (Source: Flickr Commons project, 2011 and New York Times, Aug. 18, 1914)