Manufacturing of a mold for briquetting industrial waste by the inventor Barcolay. Production of boards from compressed sawdust, compressed straw and sifted husk. Briquetting the roots of dried beets and dried cabbage, flour products for long-term storage and ease of transportation. The raft-loading machine of the inventor K. Maksimov at work on timber rafting (Arkhangelsk). Manufacturing of an electrode for electric furnaces at the Chernorechensky chemical plant. Test of land sailing yachts (foreign chronicle).