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
Types of nationalism Types of nationalism Many scholars argue that there is more than one type of nationalism. Nationalism may manifest itself as part of official state ideology or as a popular (non-state) movement and may be expressed along civic, ethnic, cultural, religious or ideological lines. These self-definitions of the nation are used to classify types of nationalism. However, such categories are not mutually exclusive and many nationalist movements combine some or all of these elements to varying degrees. Nationalist movements can also be classified by other criteria, such as scale and location. Some political theorists make the case that any distinction between