Improvement in hydraulic pumps and engines

Improvements in hydraulic pumps and engines: No. 2139. Supponent.11/06/1897.Issue 05/14/1899 / J. Westingauz.- [B.M .: B. and., 1899].-1589-1592 p., 1 l.Il .. -Description of improvements in hydraulic pumps and engines.To the privilege of foreigners J. Westinghouse (J. Westinghouse), in Pitsburg, stated on November 6, 1897.Group III.No. 2139. May 14, 1899.I. Westingauz, J. (Vestinggose) .1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS