Commons ni mahali mtandaoni pa kuhifadhia jalada na hati za picha na sauti zenye leseni huria. Unaweza kuisadia.
Muhtasari
MaelezoWollan and Shull 1949.jpg
English: Ernest Wollan and Clifford Shull taking data on a double-crystal neutron spectrometer, installed on the south face of the ORNL graphite reactor in 1949.
Photo is from US Atomic Energy Commission or Oak Ridge National Laboratory. Article rights are T. E. Mason et al. 2013 (for Oak Ridge National Laboratory).
sifa – Ni lazima utoe mkopo unaofaa, utoe kiungo cha leseni, na uonyeshe ikiwa mabadiliko yalifanywa. Unaweza kufanya hivyo kwa njia yoyote inayofaa, lakini si kwa njia yoyote inayopendekeza mtoa leseni akuidhinishe wewe au matumizi yako.
https://creativecommons.org/licenses/by/3.0CC BY 3.0 Creative Commons Attribution 3.0 truetrue
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It has been requested to crop a part of this image, so that the cropped part can serve as its own image for Ernest Omar Wollan.