Jalousie window interior of the house from jealous peering eyes. A patent for a basic louvered window was applied for in the US by a Joseph W. Walker, of Malden, Massachusetts, in 1900 and issued November 26, 1901, as patent no. 687705. A popular hand-cranked glass, aluminum, and screen window combination was later designed by American engineer Van Ellis Huff and found widespread use in temperate climates before the advent of air-conditioning. Jalousie windows were a popular feature in Mid-century modern houses, especially those built in warm and humid climates. Jalousie windows maximize natural ventilation by allowing airflow through the entire window
City of Vicenza and the Palladian Villas of the Veneto of Palladio's surviving villas lay outside the site. In 1996 the site was expanded. Its present name reflects the fact that it includes all the Palladian Villas of the Veneto. "City of Vicenza and the Palladian Villas of the Veneto" also has some examples of ecclesiastical architecture, including the relatively small church at Maser. There is another important group of urban buildings by Palladio in Venice, a city which also has World Heritage Site status. Venice has notable examples of ecclesiastical architecture by Palladio, including the Church of San Giorgio Maggiore. The World Heritage site includes the following villas: City