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 conceived. They were no longer villas but "power houses" in Sir John Summerson's term, the symbolic centres of power of the Whig "squirearchy" that ruled Britain. As the Palladian style swept Britain, all thoughts of mathematical proportion were swept away. Rather than square houses with supporting wings, these buildings had the length of the façade as their major consideration; long houses often only one room deep were deliberately deceitful in giving a false impression of size. During the Palladian revival period in Ireland, even quite modest mansions were cast in a neo-Palladian mould. Palladian architecture in Ireland subtly differs from