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Up for sale is a stunning authentic classic piece of Mid-Century Scientific Americana! 1956 Edition Welch \"Periodic Chart of the Atoms\" (originally designed by Henry D. Hubbard, revised by Dr. William F. Meggers).
Decommissioned directly from a Creighton University science lab where it spent decades as an active teaching tool.
A 1963 edition of this exact series is officially preserved in the collection of the Smithsonian National Museum of American History!
42\" x 58\"
Early Nuclear Era: Elements 99 and 100 are listed under their original proposed symbols (E for Einsteinium and Fm for Fermium), while element 102 (Nobelium) is sitting blank without a symbol.
The \"Zero\" Element: lists the Neutron (n) as a zero-atomic-number element with a mass of 1.0086!
Back when classroom pull-downs weren\'t just reference tools, but towering, hand-lithographed masterpieces of scientific design.
Original Metal Roller, Mounting Bracket and hanging hardware Intact!
Edge wear and edge splits/creasing appropriate for age, fully stable and displays beautifully.
