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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 1300 Period Tables in the database: 

  Text Search:       

Periodic Tables from the year 1992:

1992   Fet's Periodic Tables
1992   Chemical Slide Rules
1992   Magarshak & Malinsky's Three Dimensional Periodic Table

Year:  1992 PT id = 935

Fet's Periodic Tables

Two periodic tables by A.I. Fet from his book, "Mathematical Modeling in Biology and Chemistry. New Approach" Nauka, Sib.Dep., 1992.

Larry Tsimmerman writes:

"First formulation, Tab. 7, is precursor of Adomah PT with broken Z-sequence and questionable pairing of elements in accordance with "ml". Tab. 8 is a Janet LST shown vertically. Fet discusses Periodic Table in the light of Group Theory. (The book was sent to me by Eric Scerri and it was signed by Fet for Hefferlin)."


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Year:  1992 PT id = 1045

Chemical Slide Rules

The first chemical slide rules are of interest here because they are, in effect, early periodic tables. But the are more than this, as they can be used for performing chemical calculations. Writing in Bull. Hist. Chem. 12 (1992) (and here), William D. Williams of Harding University writes:

"An article by George Bodner in the Winter 1990 issue of the Bulletin described a rare chemical slide rule designed by Lewis C. Beck and Joseph Henry - their little-known Improved Scale of Chemical Equivalents. [My] paper attempts to place this slide rule in context by describing its origins, as well as some of its predecessors and successors."

Some chemical slide rules mentioned in the text:

Nagayasu Nawa writes and provides an explanation as how Wollaston's chemical equivalents slide rules should be used:

"It is very interesting slide rule for me. Because we actually used slide rule in 1960s. There were not the electronic calculator in the world. I think it would be used as a simple slide rule of The Law of Definite Proportions by J.L. Proust 1799."

Click image to enlarge:

Thanks to Nawa for the tip!

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Year:  1992 PT id = 1091

Magarshak & Malinsky's Three Dimensional Periodic Table

Y. Magarshak & J. Malinsky's Three Dimensional Periodic Table from Nature, 360, 114-115 (1992).

M&M say:

"We believe that our three dimensional representation is a useful tool for visualizing properties of chemical elements and is in complete accord with quantum mechanics."

Thanks to René for the tip!

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –

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