Ivan de Collong

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Ivan de Collong
Ivan de Collong
Born February 22, 1839 O.S. (March 2, 1839 N.S.)
Dinaburg, Kurland Gubernia, Russia
Died May 13, 1901 O.S. (May 26, 1901 N.S.)
Saint Petersburg, Russia

Ivan Petrovich de Collong (Russian: Иван Петрович де-Колонг) (March 2, 1839 N.S. - May 26, 1901 N.S.) was a Russian Naval engineer, a founder of a theory of Deviation of magnetic compasses.

Ivan Petrovich de Collong was born on February 22 O.S., 1839 in Dinaburg in a family of Kurland nobels. He studied in Naval Academy (Saint Petersburg) and then 1870 worked there as a lecture. Since 1878 was a chief of a navy compass administrative department. In 1875 he had constructed a compass baffle and then had improved it.

Ivan Petrovich de Collong was a Corresponding Member of the Russian Academy of Sciences (since 1896) and Major-General of Russian Namvy. He was aworderd Lomonosov prize of Russian Academy of Sciences.

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