This image has been released to the public domain and may be used freely.
A stone planing machine at the Imperial Lapidary Works, Ekaterinburg, Russia, circa 1910
An unusal digital color composite created from original glass negative color separations. Original photograph by Sergei Mikhailovich Prokudin-Gorskii.
LC-DIG-prokc-20361 Library of Congress, Washington DC
An unusal digital color composite created from original glass negative color separations. Original photograph by Sergei Mikhailovich Prokudin-Gorskii.
LC-DIG-prokc-20361 Library of Congress, Washington DC
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