Introduction to chemistry and physics - Perkin, W H. Autor, PH.D. F.R.S., professor of organic chemistry in the Owens College, Manchester Lean, Bevan Autor, D Sc., B.A (Lond.) head-master of Sidecot Scholl, Somerst and late Berkeley Fellow at the Owens College, Manchester. (MacMillan and Co, 1913)