GLADSTONE, John Hall. 9429



Autograph Letter Signed, to Mr. Cooke, postponing their talk. A good one page example, 7 x 4½ inches. 17 Pembridge Square, 9 March 1891. John Hall Gladstone (1827-1902), chemist, one of the earliest students in spectroscopy, and one of the founders of the new science of physical chemistry.