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 and the fact that the valuable manuscript collections were to be housed in "that dirty, uncomfortable city ... [with] not enough light to read by, and the books they already have are wretchedly kept" (written in 1901 about the Crawford MSS.) Mrs Rylands negotiated Deeds of Agreement with her neighbours to fix the heights of future adjacent buildings. The permissible height of the building was fixed at just over 34 feet, but it was suggested that it could be taller at the centre if there was an open area around the edges, at the height of buildings that had been