IV Mendeleev Congress at the Moscow Polytechnic Museum. Present: Academician P. P. Lazarev, Professor D. P. Konovalov. Speaker: N. S. Kurpakov. Testing of the first fire engine made by Avtopromtorg for the Moscow district. Arrival of thoroughbred pigs, discharged by the People's Commissariat of Agriculture for peasant farms, in the city of Leningrad. All-Union auto-motorcycle race Moscow-Tiflis. Cars, tractors, motorcycles, bicycles in the auto industry in Moscow.