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The INTERNET Database of Periodic Tables

There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D.

Use the drop menus below to search & select from the more than 1100 Period Tables in the database:

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Courtines' A Model of the Periodic Table or Periodic Classification

Published in J. Chem. Ed., 2, 2, 107-109 in 1925 by M. Courtines of the Laboratory of Experimental Physics, College of France, Paris.

We do not know the date of the forth image (below), but it looks as if it was prepared a few years later. However, it is a 'top down' view of the 3D formulation.

Courtines 3D PT

Courtines PT

Courtines classification

From Quam & Quam's 1934 review paper.pdf

Courtines classification

Thanks to Eric Scerri for the tip!
See the website and Eric's Twitter Feed

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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