Next available on Monday 9 a.m.–5 p.m.

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  • 3-D Objects, Models, Sculpture; Kits

    Ginn arithme-stick

    Date
    1958
    Available As
    Physical
  • Kits

    The abacus

    Date
    [1966]
    Series
    • Mathematics packet ; no. 30
    Available As
    Physical
  • 3-D Objects, Models, Sculpture; Kits

    Bead frame abacus

    Date
    [between 1970-1979?]
    Available As
    Physical

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