The case of the issuance of a 5-year privilege of the St. Petersburg merchant Kumba on the enhancements invented on them in the ...

Title	The case of the issuance of a 5-year privilege of the St. Petersburg merchant Kumba on the enhancements invented on them in the device lamps, called "Kumberg"
Series	1850-1856
Fonds	Department of State Economy of the State Council
Display format	Full description RUSMARC
Collections	Russian inventions: Pages of history → Inventions in the XVIII - early XX century → Selected inventions → Lighting. Artificial light sources