Solar eclipses

On the Yerkes Observatory expedition to Santa Catalina Island, California (Camp Wrigley) to record the total solar eclipse of September 10, 1923
Four unidentified men surround the tube of a photoheliograph and photographic house
Roy Norman Peacock (center, seated) and others using a device that reflects the sun's rays
Solar Eclipse Expedition at Khartoum, Sudan
Charles Augustus Young
Charles Augustus Young
Charles Augustus Young
Group at Bellingshausen for the 1965 Total Solar Eclipse
Preparing for a total solar eclipse
Samuel Langley with 5-inch equatorial telescope
George Hale Solar Eclipse 1960
Hedwig Kohn views solar eclipse at the University of Breslau with group
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