Colonnade Row Westchester marble and linked with a colonnade of Corinthian columns providing the homes with their current name. The marble for the buildings was found at Sing Sing, where the convicts worked to cut it for use in construction. The precise year of the buildings' construction, as well as the architect responsible are subject to some debate. The architects generally credited with Colonnade Row's design is Alexander Jackson Davis, Ithiel Town, and James Dakin, who were believed to have designed the homes for the Astor and Vanderbilt families. Town and Dakin are believed to have begun work on the project, which
Architectural metals used aluminum for ornamental features. The first extensive use of aluminum in construction was the Empire State Building, where the entire tower portion is aluminum, as well as many decorative features, such as the entrances, elevator doors, ornamental trim, and some 6,000 window spandrels. Today, aluminum is used frequently in construction except major structural members. Architectural metals Metals used for architectural purposes include lead, for water pipes, roofing, and windows; tin, formed into tinplate; zinc, copper and aluminium, in a range of applications including roofing and decoration; and iron, which has structural and other uses in the form of cast