John Rylands Library pitched roof over its reinforced concrete roof. Champneys designed a pitched roof but Mrs Rylands was advised that an internal stone vault would reduce the fire risk and it was not built. The £17 million project was completed by summer 2007 and the library reopened on 20 September 2007. By the nineteenth century Manchester was a prosperous industrial town and the demands of cotton manufacturing stimulated the growth of engineering and chemical industries. The town became 'abominably filthy' and was 'often covered, especially during the winter, with dense fogs ... there is at all times a copious descent of soots
Papyrus Rylands 463 the material contained in 7.4-19.5 of the Coptic manuscript. The reconstruction of the missing parts (especially the starts and ends of the lines) is not an easy task and depends on the Coptic text. The Greek text can only be conjectured on the basis of the Coptic version. The manuscript is fragmentary but shows two errors. There are some differences between the Greek fragment and the Coptic text. The nomina sacra are written in abbreviated form. The text was edited by C. H. Roberts in 1938. The manuscript currently is housed at the John Rylands Library (Gr. P. 463) at