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Original Text (Annotation: EPW022308 / 289139)
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Crittall's Steel works suggests this is the Crittal window factory. Steel window frames were seen as a useful replacement for wooden frames during the 1920s and lasted until the introduction of double grazing in the 1960/70s. Better examples were galvanised to give a longer life. The slender mullions and spars provided a delicate window frame compared with the thicker uPVC sections in so many of today's windows. '
