Mining industry

Mining industry

The case of the issuance of a 5-year-old privilege of the rule of the mining department with the Governor-General of Eastern Siberia Titular Counselor Daechman on the gold coating machine invented by it, called the "gold coating screw"

Department of State Saving Department of the State Council.The case of the issuance of a 5-year-old privilege to the rule of the mining department with the Governor-General of Eastern Siberia Titular adviser to Daechman on the gold coating machine invented by them, called the "gold coating screw".
1846.
Federal State Institution "Russian State Historical Archive" (RGIA)

Konstantin Deikhman (? - after 1855), a mining engineer. In 1835 he was an Assistant to the Head of the Office of the Institute of the Corps of Mining Engineers, from 1840 - the Head of the Irkutsk Salt Plant, from 1853 - the Head of the Mining Department under the Governor-General of Eastern Siberia (retired in 1854).

The case of the issuance of 10-year-old privileges to the Yekaterinburg Tradanin Nikolay Shepyrev and the freely published Demidov, Dmitry Junin, on the gold coating machine invented by them

Department of State Saving Department of the State Council.The case of the issuance of 10-year-old privileges to the Yekaterinburg Tradanin Nikolay Shepyrev and the freely published Demidov, Dmitry Vecnin, on the gold coating machine invented by them.
1855.
Federal State Institution "Russian State Historical Archive" (RGIA)