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 Tidewater plantation houses, such as Stratford Hall or Westover Plantation, or Drayton Hall near Charleston. These examples are all classic American colonial examples of a Palladian taste that was transmitted through engravings, for the benefit of masons—and patrons, too—who had no first-hand experience of European building practice. A feature of American Palladianism was the re-emergence of the great portico, which again, as in Italy, fulfilled the need of protection from the sun; the portico in various forms and size became a dominant feature of American colonial architecture. In the north European countries the portico had become a mere symbol, often