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 v Fletcher the "thing", and where there is statutory authority for the accumulation. The principles of "Rylands v Fletcher" were initially applied in Scots law, first in the case of "Mackintosh v Mackintosh", where a fire spreading from the defendant's land to the claimant's land caused property damage. Scots lawyers and judges applied "Rylands" differently from their English counterparts, however. While the rule is interpreted in England and Wales as being distinct from negligence and the rules of duty of care and liability applied there, the principle in Scotland was that "negligence is still the ground of liability. The only difference is