Graphic representation of the periodic table of chemical elements designed as a series table with Group 0 placed in the middle of the table and each series beginning with Group Ib. This table was originated by George Horsley in 1900 and classified by chemist Edward G. Mazurs as Subtype IIC2-5b in his seminal work Types of Graphic Representation of the Periodic System of Chemical Elements (1957). A version of this table appears as Figure 57 on page 127 of Mazurs' 1957 publication.
1911 (Original design), Circa 1957 (Date attributed to slide)
Horsley, George, and Edward G. Mazurs. “Series Table in Which Each Series Begins with Group Ib.” Glass (material), circa 1900–1957. Edward G. Mazurs Collection of Periodic Systems Images, Box 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/ww72bc06b.
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