Celebration May 1 in the city of Petrozavodsk.
Demonstration.
Sports parade.
Salute.
Petrozavodsk mica factory.
Meeting devoted to issuing a new state loan.
Subscribe for a loan.
Karelian-Finnish branch of the Academy of Sciences of the USSR. Forest pathology laboratory.
Scientific staff at work.
Exhibition dedicated to the scientific achievements of scientists Karelian Branch of the USSR.
Key words
Botany.
Public holidays.
Chemical industry.
Loans.
Academy of Sciences of the Union republics.
Exhibitions.