Graphic representation of the periodic table of chemical elements in the style of a helix with different sizes of revolutions for 2, 6, 10, and 14 elements. This table was originated by George Schaltenbrand in 1920 and classified by chemist Edward G. Mazurs as Type IIIA4-1 in his seminal work Types of Graphic Representation of the Periodic System of Chemical Elements (1957). This illustration appears as Figure 85 on page 150 of Mazurs' 1957 publication.
1892 (Original design), Circa 1957 (Date attributed to slide)
Schaltenbrand, George, and Edward G. Mazurs. “Periodic Table in Style of Helix with Different Sizes of Revolutions.” Glass (material), circa 1920–1957. Edward G. Mazurs Collection of Periodic Systems Images, Box 2. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/9c67wn45d.
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