Improvement in the device of pneumatic and hydraulic brakes

Improvements in the device of pneumatic and hydraulic brakes: No. 1782/95.Declared.02/01/1874.Issuance on 12/31/1875 / George Westingauz.- [St. Petersburg]: Type.Exped.Zagot.state.papers, 1876. -9 p., 1 l.Il .. -The privilege issued from the Department of Trade and Manufactory in 1875 to a foreigner George Westingauz, to improve the pneumatic and hydraulic brakes in the device.Before the text: 95.Ex.: With a handle.litter..I. Westingauz, George 1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS