Geiger counter that was used on Bikini Island, this photo was taken by a member of the Capricorn Expedition (1952-1953). Geiger counters are used to detect radiation usually gamma and beta radiation, in this case it was used to detect radiation after atomic nuclear testing near Bikini Island. Operation Ivy, the U.S. first test of a thermonuclear bomb, preceded the Capricorn expedition. 1952.

• 1952

• Jones, Alan Churchill, 1927-

This digital image is a surrogate of an item from the Alan Churchill Jones Photographs, 1952-1972

• Capricorn Expedition (1952-1953)

• Radioactivity--Safety Measures
• Scientific apparatus and instruments

• image

• UC Regents

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2021-05-14