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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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Periodic Table formulations from the year 1868:

1868   Mendeleev's Handwritten Draft Periodic Table
1868   Meyer's "Lost" Table


Handwritten draft of the first version of Mendeleev's Periodic Table

From of Bill Jensen, Curator of the Oesper Collection at the University of Cincinnati:

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Meyer's "Lost" Table of 1868

In his book, The Periodic Table: A Very Short Introduction, Eric Scerri writes how Lothar Meyer produced an expanded periodic system for his1868 textbook which contained 53 elements. Unfortunately, the table was misplaced by the publisher and was not appear until after his death in 1895:

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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