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Geiger counter
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Geiger counter
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Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
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Mona Lisa, oil on wood panel by Leonardo da Vinci, c. 1503-06; in the Louvre, Paris, France. 77 x 53 cm.
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bird. mourning dove. pigeon and dove. Mourning Dove (Zenaida macroura) family Columbidae.
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Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.
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Geiger counter
Geiger counter

Geiger counter

radiation detector
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Also known as: Geiger-Müller counter
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Article History
Also called:
Geiger-Müller Counter
Key People:
Hans Geiger

Geiger counter, type of ionization chamber (q.v.) especially effective for counting individual particles of radiation.

This article was most recently revised and updated by Amy Tikkanen.