A steam turbine with wheels rotating in various directions

A steam turbine with wheels rotating in various directions: No. 12200. Declared.04/10/1903.Issue 31.07.1907 / h.A.Parsons.- [B.M .: B. and., 1907].-1851-1853 p., 1 l.Il .. -Description of a steam turbine with wheels rotating in various directions.To the privilege of a foreigner Ch.A.Parsons (Ch. A. Parsons), in the New Cestle on a secret, in England, declared on April 10, 1903 (okhr. St. No. 20435).Group III.No. 12200. July 31, 1907.I. Parsons, h.a..1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS