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Scientific American, Vol. 81, No. 17 (October 1899) (1899)

leaf 10

An illustration from Scientific American, Vol. 81, No. 17 (October 1899), 1899, leaf 10
rocks in mid-Pacific. The total phase is the the velocity of nearly one mile a second. Dur- only portion of a solar eclipse of the slightest ing the hour and twelve minutes which must PHOTO OF SOLAR CORONA, value to astronomers or solar physicists, or, in- elapse between the first detected cutting… … ECLIPSE SHADOW, MAY 28, 1900, OVER CAPE HENRY. scope, and camera during the few precious mo- disaster. Nor should we forget to notice the ments that the obscuration of the sun is suffi- effects of increasing twilight upon animals, ciently complete to allow critical examination to be made birds,…

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