Backs for steam and gas turbines

Shovels for steam and gas turbines: No. 16128. Supponent.10/14/1906.Issuance on 10/31/1909 / h.A.Parsons.- [B.M .: B. and., 1909].-[1] p., 1 l.Il .. -Description of the blades for steam and gas turbines.To the privilege of a foreigner Ch.A.Parsons (Ch. A. Parsons), in the city of Newuchee on a secret, in England, declared on October 14, 1906 (okhr. St. No. 30490).Group III.No. 16128. October 31, 1909.I. Parsons, h.a..1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS