Russian Periodic Table(s)
Eric Scerri writes:
"The periodic tables [below], and data, are from some Russian books given to me by the late Ray Hefferlin, when I visited him a few years ago in Tennessee. Sorry, I can't give any source details as the inserts got separated from the book."
The captions say: "Fig. XVII. Block-type periodic table" and "U.L.Kulakov, Classification of the chemical elements on the new background".
Looking at the graphics style, we are guessing they date from the mid-1970s (MRL)
Thanks to Eric Scerri for the tip!
See the website EricScerri.com and Eric's Twitter Feed
|Periodic Table, What is it showing?||
© Mark R. Leach 1999-
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