John Rylands Library of Cumbrian sandstone, the interior a delicately shaded 'Shawk' stone (from Dalston, varying in colour between sand and a range of pinks) and the exterior, dark red Barbary stone from Penrith. built around an internal steel framed structure and brick arched flooring. The red 'Barbary plain' sandstone, which Champneys believed 'had every chance of proving durable' for the exterior, was an unusual choice in late Victorian Manchester. It proved relatively successful, as an inspection by Champneys in 1900 revealed little softening by the 'effects of an atmosphere somewhat charged with chemicals' although, by 1909 some repairs were needed. The library
Rylands Library Papyrus P52 Deansgate building. Although Rylands formula_1 is generally accepted as the earliest extant record of a canonical New Testament text, the dating of the papyrus is by no means the subject of consensus among scholars. The original editor proposed a date range of 100-150 CE; while a recent exercise by Pasquale Orsini and Willy Clarysse, aiming to generate consistent revised date estimates for all New Testament papyri written before the mid-fourth century, has proposed a date for formula_1 of 125-175 CE. But a few scholars say that considering the difficulty of fixing the date of a fragment based solely on paleographic