Copy letter from Herbert Rix, to W Cromarty, Wandsworth & Putney Gas Company, North Street, Wandsworth, S.W. In answer to the Company's letter of yesterday the 'Philosophical Transactions [of the Royal Society]' and the 'Proceedings [of the Royal Society]' can be purchased from Messrs Harrison & Sons, 45 St Martin's Lane, W.C.. The 'Phil. Trans.' usually run to two volumes in a year which cost from £1 to £3 each. The 'Proceedings' usually run to two to three volumes in a year, at one guinea a volume. 12 December 1894