English version

Sperry, Elmer Ambrose

From Longman Dictionary of Contemporary EnglishSperry, Elmer AmbroseElmer Ambrose SperrySper‧ry, El‧mer Am‧brose /ˈsperi, ˈelmə ˈæmbrəʊz $ -mər ˈæmbroʊz/  (1860–1930) a US engineer and inventor, known especially for inventing equipment that helps ships to sail in the right direction
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