1c. A worker in the carding shop, at the loom, at the developing machines; finished linen at a flax mill in Belarus. 2c. Oil rigs at sea, workers near the drill. 3c. The building of the Pulkovo Observatory, director of the observatory prof. Belyavsky in the library, Professor Franz F. Renz installs a 30-inch refractor. 4c. At the All-Union Agricultural Exhibition: pavilion of young people, children inspect the panels, B. Khamgokov with a group of children, R. Kleshchinsky at models of agricultural machines, V. Bukhtiarov with a tour around wheat. 5c. People sit in a balloon, a balloon in the air, collective farmers at a rally at the balloon. 6c. Diving girls put on masks, enter the water, a woman with a mask comes out of the water.