Casing for steam and gas turbines

Description of the casing for a steam or gas turbine.To the privilege of a foreigner Ch.A.Parsons (Ch. A. Parsons), in the city of New Cestle on a secret, in England, stated on January 18, 1911 (Ow. St. No. 46515)Group III.No. 21764. June 23, 1912