Flam -melting stove for melting iron ores

A fiery melting stove for melting iron ores: No. 4331/234.Declared.03/24/1886.Issue 12/20/1889 / Friedrich Siemens.- [St. Petersburg]: Type.Exped.Zagot.state.papers, 1889. -4 p., 1 liter.Il .. -The privilege issued from the Department of Trade and Manufactory in 1889 to the foreigner Friedrich Siemens, on a fiery melting furnace for melting iron ores.Before the text: 234.Ex.: With a handle.litter..I. Siemens, Frederick 1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS