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INTERNET Database of Periodic Tables
There are hundreds of periodic tables in web space, but there is only one comprehensive database of periodic tables & periodic table formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R Leach.
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1965

The Alexander "Desk-Topper" Arrangement

Roy Alexander has told me, by way of a personal communication: "I came up with the idea (being ignorant of anything but the flat Sargent Welch charts) in 1965. I wasn't able to patent it until 1971- see U.S.Patent # 3,581,409."

Read more here.

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Periodic Table, What is it showing?
Binary Compounds

© Mark R. Leach 1999-2009

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