A course of practical chemistry In which are contained all the operations described in Wilson's Complete course of chemistry. With many new, and several uncommon processes. To each Article is given, The chemical history, and to most, an Account of the Quantities of Oils, Salts, Spirits, yielded in Distillation, &c. From Lemery, Hoffman, the French Memoirs, Philosophical Transactions, &c. and from the Author's own Experience. With Copper Plates. By William Lewis, M. B. R. S. S - Lewis, William 1708-1781 (printed for J. Nourse, at the Lamb, against Katherine-Street, in the Strand, 1746)