div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=guidance-note-4-sash-windows-sash-windows-first-came-into-use-in-the-late-1-7thhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Guidance Note 4 - Sash Windows · Sash windows first came into use in the late 1 7th century when the heavy glass was contained by thick oak frames and glazing bars From the 1 8th loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220519015ff0083785d0c8703b17e9bahtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=guidance-note-4-sash-windows-sash-windows-first-came-into-use-in-the-late-1-7thhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Guidance Note 4 - Sash Windows · Sash windows first came into use in the late 1 7th century when the heavy glass was contained by thick oak frames and glazing bars From the 1 8th loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220519015ff0083785d0c8703b17e9bahtml5thumbnails2jpg width=140 height=200 divdiv
