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
University of Manchester Library of the John Rylands Library, enabled the building of a tent-like octagonal hall next to the library, the Muriel Stott Conference Centre (on the building of the extension this was enclosed by the rest of the library). The design of the extension was modified when actually implemented in 1979 so that a link section united it with the three-wing existing library building. This new extension opened in the autumn term of 1981 and at the same time the medical and science (Christie) libraries were vacated so that a more coherent organisation of stock became possible. By the time this building