John Rylands Library never operated as such. A caretaker's house was incorporated in the building until it was demolished for the extension of 1969. Electric lighting was chosen as the cleanest and safest alternative to gas but, as the use of electricity was in its early stages, the supply (110 volts DC) was generated on-site. This took some years to achieve due to the inexperience of contractors, but the library became one of the first public buildings in Manchester to be lit by electricity and continued to generate its own supply until 1950. Champneys suggested that, in order to protect the books and
Rylands Library Papyrus P52 Stanley Porter, is much narrower than the ranges envisaged by Barker or Nongbri, and implies within their dating schema that formula_1 and formula_1 stand as the earliest New Testament papyri so far identified (although, strangely, at the conclusion of their article, Orsini and Clarysse state that formula_1, formula_1, and formula_1 "probably all [date to] the second half of the second century)." The John Rylands Library states "The first editor dated the Fragment to the first half of the second century (between 100-150 AD). The date was estimated palaeographically, by comparing the handwriting with other manuscripts. However, palaeography is not an