This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionXRFgoniometer manual.jpg
English: 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
Source
This file is lacking source information.
Please edit this file's description and provide a source.
The original description page was here. All following user names refer to en.wikipedia.
2008-05-12 18:18 Tillman 700×579× (289904 bytes) 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 Su
Captions
Add a one-line explanation of what this file represents
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Isidore Adler, chemist, operates a gonimeter used for x-ray fluorescence analysis of individual grains