Copy letter from an unknown correspondent, to Messrs Dulau & Company 'Please obtain the following for us: - 1. Fleming Jenkin's "Electricity & Magnetism" (or similiar title). Longman's 'Text-books of Science' series. 2. Dewey. Decimal Classification (latest edition) as per your memo [memorandum] of Sept [September 7]. The latter is wanted at once, for Committee use'. 20 September 1893