There are several easy-to-insider details that give the key to otvetu.Kak you can determine – whether the window "sash" later (he goes first hundreds of years) or earlier (traded the second hundred)? In fact, there are three ways to determine the age of the window. The first is to see whether the window is flush with the facade of the building. If yes, such a window is usually the earliest. In London, in 1709 a law was passed which stated that the windows should be recessed in their openings by at least 4 inches. This was to prevent the fire from spreading beyond the facade of the building in case fire. This rule is gradually extended to other towns and villages. Under the second method, you must see whether there is around the window "sash" thick frame, called "sash" duct that runs from the hollow tree, which was located a block mechanism. Up until the mid-18 th century all this was hidden in the side walls of the window opening.
However, 1774 was passed another law on the rules of fire safety, which demanded to hide "Sash" box in the thick walls so that only "moving" frame remained open. Today, if the windows are not visible "sash" box means that the window is representative of the "younger generation". The third way is to determine the size of window glass. Windows with small-sized windows located in the window frames in the opposite sequence 3×2, most likely designed in the early nineteenth century. None However, progress has not stood still and changes in the glass industry in 1840 meant that the window glass will be made more dimensional. This explains the large number of "sash" windows of the Victorian period, containing just one or two glasses. That's so easy to determine the age of the windows, and sometimes themselves the old houses of aristocratic powers Albion. Every time in contact with the cultural traditions and features of architecture great powers to recognize how distinctive can be any expression of human imagination in the design of architecture and how exciting it can be changed due to the influence of governors and eras.