The glass in previous windows could be the really early 'plate' or 'wide' glass to 'crown' or 'cylinder'.[5] Previous glass is recognised by its imperfections ('ream') which lead to optical distortion. B – sash wire. Just about every sash is connected to a sash wire that is certainly attached into the aspect https://riverqwbfh.therainblog.com/34576091/facts-about-sash-window-draught-proofing-revealed