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July Gallery

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 6,094 pictures in our July collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


Cessna Citation Excel Cutaway Poster Featured July Print

Cessna Citation Excel Cutaway Poster

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Mendeleyevs periodic table, 1869 Featured July Print

Mendeleyevs periodic table, 1869

Mendeleyev's periodic table, 1869. Mendeleyev's periodic table of 1869. This is the first version of the periodic table drawn up by the Russian chemist Dmitri Ivanovich Mendeleyev (1834-1907). He left gaps in the table for new elements, that were indeed later discovered, vindicating his theory. This version has the elements listed using chemical symbols, and ordered by atomic weight, but the fully correct chemical arrangement has not yet emerged. The final version (1871) had the elements arranged in the familiar vertical columns or groups. This version is dated (lower left) to 17 February 1869, and Mendeleyev's name is at top. This manuscript is from the Mendeleyev museum. Photographed in St Petersburg, Russia. See also H413/297

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