Zagriazhskii, Dimitrii Andreevich

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Zagriazhskii, Dimitrii Andreevich

 

Born 1807, died after 1860. Russian inventor of the caterpillar drive. In 1837 he created “a carriage with movable tracks,” that is, a carriage with a caterpillar drive, for which he obtained a patent in the same year. Lacking funds, Zagriazhskii could not convert his invention into reality, and the patent was declared invalid in 1839.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.