Modification of the method of fixing the blades in steam and gas turbines

The modification of the method of fixing the blades in steam and gas turbines: No. 21318, declared.09/30/1910.Issue 31.03.1912 / h.A.Parsons.- [B.M .: B. and., 1912].-[1] p., 1 l.Il .. -Description of the modification of the method of fixing the blades in steam and gas turbines.To the additional privilege of a foreigner Ch.A.Parsons (Ch. A. Parsons), in the city of New Cestle on a secret, in England, declared on September 30, 1910 (okhr. St. No. 45227).(The initial privilege was issued to the same person, on November 30, 1911, for No. 20409).Group III.No. 21318. March 31, 1912.I. Parsons, h.a..1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS