Image:XRFgoniometer.jpg

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Isidore Adler, chemist, operates a gonimeter used for x-ray fluorescence analysis of individual grains of mineral specimens, Geologic Division, U.S. Geological Survey, Washington, D.C. 1958. Lower right photograph page 36, Images of the U.S. Geological Survey, 1879-1979.

URL: http://libraryphoto.cr.usgs.gov/htmllib/btch331/btch331j/btch331z/pef00526.jpg

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