Letter from H C Carter, London Electrical Supply Corporation Limited, 25a Cockspur Street, London, to the Assistant Secretary of the Royal Society, Burlington House, The Royal Society have 'arranged that more regular use will be made' of their current in future. The London Electrical Supply Corporation Limited will connect the Post Office to the Transformer from which the Society's 'supply is furnished', therefore there will be a reduction in rental apparatus charge. 24 April 1903