The case of issuing a 5-year-old privilege of St. Petersburg merchant Kumba on the lamp invented by him, called "Northern"

Title	The case of issuing a 5-year-old privilege of St. Petersburg merchant Kumba on the lamp invented by him, called "Northern"
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