ELAN VITAL is hull number 2059 from the Electric Launch Company.  She was originally built for the 1926 Boat Show as the first of her class and originally purchased by John Hallenbeck, who named her ALINE.  Ten more of this class were built.  ELCO was the premier builder of cruising powerboats during the Golden Age of Powerboat Yachting. 

See "The Elco Motoryachts" in Wooden Boat Magazine #171, March/April, 2003.