Jalousie window while keeping out water was deemed unsatisfactory by the study's authors. Jalousie windows also have several other drawbacks. Traditional style jalousie windows offer poor overall resistance to water penetration and drafts and are difficult to positively secure, as their slats are easily and silently removed. In addition to the inability to keep out water, they do not provide a secure barrier to keep air conditioned air inside. Also, the metal parts which make up the windows moving mechanism are prone to corrosion in humid environments, leading to damage such as broken or missing cranks. Jalousie windows are objects of scorn
Palladian architecture the English colonial period (1607–1776)—that can be definitively attributed to designs from the "Four Books of Architecture" are architect William Buckland's Hammond-Harwood House (1774) in Annapolis, Maryland, and Thomas Jefferson's first Monticello. The design source for the Hammond-Harwood House is Villa Pisani at Montagnana (Book II, Chapter XIV), and for the first Monticello (1770) the design source is Villa Cornaro at Piombino Dese (Book II, Chapter XIV). Thomas Jefferson later covered this façade with additions so that the Hammond-Harwood House remains the only pure and pristine example of direct modeling in America today. Because of its later development, Palladian architecture