A meeting of workers of industrial enterprises in Leningrad in the Sosnovsky forest park, dedicated to the 50th anniversary of the first legal May Day in Petrograd. Speakers: N. A. Abrazumov, participant of the first legal May Day, veterans of the October Revolution P. P. Semyachkin and M. N. Sveshnikova, the oldest worker of the Krasny Vyborzhets plant G. Dubinin, Secretary of the Komsomol committee of the Krasny Vyborzhets plant A. Prokhorov.