Combination
Windows (Click images to enlarge)
Primarily this window looks like
a Spiral Balanced window, but for ease of use and to obtain maximum ventilation,
the top sash opens outwards on stainless steel friction stays and the bottom slides
vertically and tilts inwards.
The bottom sash is fitted with two 100mm
brass slide bolts, so that the bottom sash can be secured whilst the top sash
is open.
When completely closed, the sashes are secured by a brass locking
casement fastener.
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