North Caucasian Territory. Armavir District, Leninsky Way Complex. Tests of the thresher for sunflowers designed by Neumyvayko. Moscow region Kimrsky, Taldomsky districts, k-zy "Farmer", "Krasny Ustinovets". Tests: a potato digger manufactured by the Mosmet No. 29 plant; flax machine, designed by the inventor Nemtsov. USA. The work of a fast locust catching machine.