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
John Rylands Library library on a larger scale. Champneys presented plans to Mrs Rylands within a week of gaining the commission. Thereafter frequent disagreements arose and Mrs Rylands selected decorative elements, window glass and statues against his wishes. Champneys was given the honour of speaking about the library at a general meeting of the Royal Institute of British Architects and was awarded a Royal Gold Medal in 1912. The library was granted listed building status on 25 January 1952, which was upgraded to Grade I on 6 June 1994. The core of the library's collection was formed around 40,000 books, including many rarities,