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  1. Memory game features 54 card deck; 34 cards feature element number and cartoon characters who personify or act out elements and their characteristics, 16 group cards, and 4 command cards; game includes Periodic Table of…

    • 1990

    Three dimensional representation of the periodic table of elements (unassembled). ElemenTree is made of transparent Vivak plastic in pink and green with black text. The tree has 17 pieces (layers are polygonal) with a…

    • circa 1959 – 1966

    This folder contains notes written by Robert E. Kohler concerning chemical syntheses from R. B. Woodward's seminar lectures, specifically his Thursday Evening Seminars predating the formulation of the Woodward-Hoffmann…