Improved devices for acting pneumatic and hydraulic brakes

Advanced devices for acting pneumatic or hydraulic brakes: No. 3330/90.Declared.12/09/1881.Issuance 09/18/1885 / George Westingauz ml.- [St. Petersburg]: Type.Exped.Zagot.state.papers, 1885. -11 p., 1 l.Il .. -The privilege issued from the Department of Trade and Manufactory in 1885. Foreigner George Westingauz to the youngest, on the improved devices for acting pneumatic or hydraulic brakes.Before the text: 90.Ex.: With a handle.litter..I. Westingauz, George (younger) .1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS