Информация в википедии

Информация в википедии

Книга A.S. Suvorin, 1872, Корнельский Университет

Admiral William Harkness, University of Rochester class of 1858, was one of the nation's foremost astronomers, serving for nearly 40 years at the U.S. Naval Observatory.

THE TRANSIT OF VENUS. - is in the newspaper - Thames Advertiser, Volume VII, Issue 1915, 10 December 1874, Page 2

Анимация

Observers and administrators gather at the US Naval Observatory in Washington, DC, in preparation for the American expeditions to the 1874 transit of Venus.

John Philip Sousa and the Transit of Venus

Французские физики, Леон Фуко и Ипполит Физо. Снимок сделан по способу дагерротипии.

The following is a guest post by Dr. Sten Odenwald, NASA/ National Institute of Aerospace, who presented a lecture on the Transit of Venus at the Library of Congress on May 8, 2012