The German copy dates back to 1885.
It's been almost two years since I've done a roundup of periodic tables (and six years since I posted the first one). Oh, you know the periodic table of elements; you may have even studied it. But these are different. Creative minds use the basic template
The Periodic Table of the Elements is a wonderful aid in understanding chemistry, if you understand the reasons the elements are sorted the way they are. The table itself is a model of information classification. No wonder folks want to use this structure