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Symmetrical series table with centered steps

  • 1886 (Original design)
  • Circa 1957 (Date attributed to slide)

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Graphic representation of the periodic table of chemical elements as a symmetrical series table with centered steps. This table was originated by English chemist Thomas Carnelley (1854-1890) in 1886 and classified by chemist Edward G. Mazurs as Type IIC2-7 in his seminal work Types of Graphic Representation of the Periodic System of Chemical Elements (1957). A version of this table appears as Figure 59 on page 129 of Mazurs' 1957 publication.

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  • 4 in. H x 5 in. W
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  • Courtesy of Science History Institute

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  • Box 1

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Cite as

Carnelley, Thomas, and Edward G. Mazurs. “Symmetrical Series Table with Centered Steps.” Glass (material), circa 1886–1957. Edward G. Mazurs Collection of Periodic Systems Images, Box 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/nc580n11g.

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