The case of issuing privileges to the piano master Mabeom on the tool "piano" invented by him

Title	The case of issuing privileges to the piano master Mabeom on the tool "piano" invented by him
Series	1840-1849
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 → Musical instruments