Improvement in an automatic brake mechanism acting fluid pressure

Improvements in an automatic brake mechanism acting fluid pressure: No. 4834/227.Declared.03/17/1887.Issuance on 12/20/1891 / George Scheminggauz ml.- [St. Petersburg]: Type.V. Kirshbauma, 1891. -11 p., 1 l.Il .. -The privilege issued from the Department of Trade and Manufactory in 1891. Foreigner George Pestinghaus to the Younger, to improve in an automatic brake mechanism, acting fluid pressure.Before the text: 227.Ex.: With a handle.litter..I. SchtingGauz, George (younger) .1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS