John Rylands Library has been extended four times, the first time to designs by Champneys in 1920 after the project was delayed by World War I. The Lady Wolfson Building opened in 1962 on the west side and a third extension, south of the first was built in 1969. In January 2003, an appeal to renovate the building was launched. Funds were generated from grants from the University of Manchester and Heritage Lottery Fund and donations from members of the public and companies in Manchester. The project, Unlocking the Rylands, demolished the third extension, refurbished parts of the old building and erected a
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