Online Book Subjects: Safety lamps Displaying 1 - 2 of 2 Humphry Davy letter to Rev. Dr. Robert Gray, dated 23 Grosvenor Street, London, 13 December 1815 Davy, Humphry, Sir,; Royal Society (Great Britain),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries). Letter Clanny, William Reid,; Burndy Library Manuscripts Collection (Smithsonian Libraries)
