Jalousie window Jalousie window A jalousie window (, ) or louvre window (Australia, New Zealand, Pacific Islands, Southeast Asia, United Kingdom) is a window composed of parallel glass, acrylic, or wooden louvres set in a frame. The louvres are joined onto a track so that they may be tilted open and shut in unison to control airflow, usually by turning a crank. Jalousie is the French word for jealousy. It originated in 18th century France from the Italian word "geloso", which means jealous, or screen, as in to screen something from view. Supposedly because of their slatted louvres, jalousie windows protect the
Palladian architecture closed, or merely hinted at in the design by pilasters, and sometimes in very late examples of English Palladianism adapted to become a porte-cochere; in America, the Palladian portico regained its full glory. One house which clearly shows this Palladian-Gibbs influence is Mount Airy, in Richmond County, Virginia, built in 1758–62. At Westover the north and south entrances, made of imported Portland stone, were patterned after a plate in William Salmon's "Palladio Londinensis" (1734). The distinctive feature of Drayton Hall, its two-storey portico, was derived directly from Palladio. The neoclassical presidential mansion, the White House in Washington, was inspired by