Original vintage architectural trade magazine ad for HARRY ALEXANDER, INC.  Pictured is the Murry Guggenheim House in Elberon, New Jersey and the Carnegie Institution in Washington, DC.  Harry Alexander Electrical and Mechanical Contracting Engineer, Heating, Ventilating and Power Plants.  Carrere And Hastings, Architects.  Contractors for The Astor Court Building in New York City, the Munsey Building in Washington, F. H. Goodyear House, Alfred I. Dupont House, Col. O.Payne House, William K. Vanderbilt House, Hon. Elihu Root House.  Old 1910 building and construction industry advertisement.