Blueprint, undated, of site plan, 30 November 1910, of air supply plant for three turbos at Stuart Street, Manchester, with amendments in red ink., 30 November 1910., Ch.15516. Miscellaneous formal documents, and blueprints of engineering drawings of, and concerning, J S Haldane., Ch.15513-15521. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/6061 Accessed May 11, 2024.