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What is the Periodic Table Showing? Periodicity

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. The database holds information on periodic tables, the discovery of the elements, the elucidation of atomic weights and the discovery of atomic structure (and much, much more).

   Use the drop menus or search box (below) to Select or Search the 1400 entries in the database: 

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Year:  1964 PT id = 732, Type = formulation spiral

Samuel Ruben Periodic Table

An interesting periodic table from 1964, found at an estate sale. The text says that the elements are: "arranged according to the atomic number Z and column relation to the rare gases", and is by Samuel Ruben (wikipedia).

Click here to see the full size version.

Samuel Ruben Periodic Table

Samuel Ruben Spiral

Thanks to Rachel Helling for the tip!

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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