Manchester city centre originated in 1997 when Allied London purchased a number of buildings around the John Rylands Library. Allied London executive Mike Ingall was convinced of site's regeneration potential and Manchester City Council was keen to redevelop the city centre after the 1996 Manchester bombing. The development, named from a narrow street which ran westwards from Deansgate, is bounded by Bridge Street to the north, Quay Street to the south, Deansgate to the east, and the River Irwell to the west. The area is noted for glazed, modern buildings – many of which are offices. In 2010, Spinningfields accounted for 35% of
John Rylands Library prevent the air being 'fouled by the opening of the outer doors' with internal swing doors between the circulation areas and the main library to 'preserve the valuable books from injury'. By 1900 the ventilation system had evolved to include electric fans to draw in air at pavement level through coke screens sprayed with water. On opening in 1900, the library had 70,000 books and fewer than 100 manuscripts and by 2012, more than 250,000 printed volumes and over one million manuscripts and archival items. The main foundation of the library's collections acquired in 1892 was the "Althorp Library" of