John Rylands Library and other impurities'. This, and the overcrowded site, created many design problems for the architect. During the century most textile manufacture moved to newer mills in the surrounding towns while Manchester remained the centre of trading in cotton goods both for the home and foreign markets but pollution from burning coal and gas remained a considerable nuisance. The site chosen by Mrs Rylands was in a central and fashionable part of the city, but was awkward in shape and orientation and surrounded by tall warehouses, derelict cottages and narrow streets. The position was criticised for its lack of surrounding space
Rylands Library Papyrus P52 formula_1, nevertheless continued to maintain that "The Rylands papyrus may therefore be accepted as of the first half of the second century". An altogether different approach to dating New Testament payri has been proposed by a number of paleographers in recent years, drawing on the notion of "graphic stream" developed by Guglielmo Cavallo. Rather than comparing letter forms of undated papyri directly with dated comparators, it is proposed that the hand in question should first be identified to a graphic stream representing the overall development of a particular handwriting style. "The way that individual letters are formed within these graphic