The glass in previous windows can be the pretty early 'plate' or 'broad' glass to 'crown' or 'cylinder'.[five] Aged glass is recognised by its imperfections ('ream') which lead to optical distortion. These days prized for their elegance, sash windows have been as soon as with the cutting edge of style https://fakeeyelashes25555.arwebo.com/58226874/top-latest-five-sash-window-draught-proofing-urban-news