Periodic table by Mendeleev, 1869. Title translates: <i>"An experiment on a system of elements." "based on their atomic weights and chemical similarities."</i> (non-modern Russian). <a class="external autonumber" href="https://en.wikipedia.org/w/index.php?title=Wikipedia:Graphics_Lab/Illustration_workshop&amp;diff=655015887&amp;oldid=654975485">[1]</a>
<a href="//commons.wikimedia.org/wiki/User:NikNaks" title="User:NikNaks">NikNaks</a>
2015-04-04
<span class="int-own-work" lang="en">Own work</span>