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 the intellectual and artistic history of mankind. The western window contains "Theology" from Moses to Schleiermacher; the eastern "Literature and Art" (including philosophy). The portrait statues of John and Enriqueta Rylands in white marble, in the reading room, were sculpted by John Cassidy who also executed the allegorical group of 'Theology, Science and Art' in the vestibule. Aside from the main library and reading room with gallery above, the design incorporated Bible and map rooms on the first floor, and conference (lecture) and committee rooms on the ground floor, part of which was intended to be a lending library but