The privilege issued from the Department of Trade and Manufactory in 1886 by the nobleman Nikolai Benardos, on the method of con...

The privilege issued from the Department of Trade and Manufactory in 1886 by the nobleman Nikolai Benardos, on the method of connecting and separation of metals by the direct action of electric current: No. 3622/194: declared.07/06/1885: issue of privilege on 12/31/1886 / Nikolai Benardos.- St. Petersburg: Type.Exp.Zagot.state.papers, 1886. -6 p., 1 liter.crap.. -Bibliogr.in the text..I. Benardos, Nikolay. 1.People (collection).Electronic copy source: PBOriginal storage location: FIPS