The Origins Of The Sash Window, An Original Story
It is difficult to get clarity on the origins of the sash window although the first mention is found in the late 1700′s. A painting by Vermeer, ‘The Milkmaid’ has a woman standing in front of one. Around the same time the inventor Robert Hooke used the window in Ham House. However, the French word chassis refers to a frame and it is believed that via Holland the window came to Britain, and it is now inextricably linked to English culture.
A “Yorkshire Light” is a window made of panels which can slide sideways or up and down. Originally the windows would be propped open but later a pulley and weight system was designed. Connected by a rope which ran over a pulley to the window, the weight would hold the window at the level it was moved to.
In the late 1600′s, the famous architect Sir Christopher Wrens used these windows for Whitehall Palace. They were also used for Kensington and Hampton Court Palace. Wrens’ reputation and the royal patronage gave wooden sash windows a cachet that soon saw them used right across the British empire. Until the early 1900′s, the windows were used almost exclusively in all new constructions both private and public. Whether open or closed they do not detract from the aesthetics of a building unlike other windows.
In Georgian times, the sash was the rage and a double hung sash window was created allowing both the top and bottom sashes to be moved. In a wet European climate, the window can be opened at the top to let warm air escape while colder air is drawn in through the gap at the bottom, without allowing rain to enter.
The Victorians, were obsessed with decorating their homes with carvings, leaded lights, lattices and complicated mouldings. Placed in a facade as a group, each bay was framed by carved stone pillars. It also became common to enhancing the perspective of a building by making windows on the ground floor longer than those on the upper floors.
As with many beautiful objects the advent of mass production methods and industrialization after the First World War, signified the end for this product. The labour involved in hand producing a sash was too expensive and casement windows were easier to produce in factories.
It must be agreed that without the sash window, defects and all, the most interesting urban areas of older European cities would be bleak and characterless.
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