Jacob Aaron Westervelt was a shipbuilder born 1800 in Bergen Co, New Jersey. His shipyard produced a number of steamships and clipperships. One of these clipperships, "Sweepstakes" was painted in 1853 by Fitz Hugh Lane (1804-1865). The painting is located in the Museum of the City of New York. If you want to see a picture of the painting go to www.mcny.org
then to collections, paintings, New York scenes, catalogue of paintings 1800-1900, and it is Cat. 26.