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Geometric Model by A. Harry Wheeler, Triangle Transformable into Trapezoid, Plane Dissection (Portion)

American History Museum

Plane Dissection - A Triangle Divided by Median Lines (three id numbers)
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  • Plane Dissection - A Triangle Divided by Median Lines (three id numbers)
  • Plane Dissection - A Triangle Divided by Median Lines, Rearranged to Form Quadrilateral (three museum id numbers)

    Object Details

    maker

    Wheeler, Albert Harry

    Description

    This hinged dissection has two triangular pieces that may be arranged as a triangle or a quadrilateral.
    There is a model of a partially hinged dissection of a triangle with its medians which Wheeler variously designated 6K and 12TD. It consisted of six pieces which arrange to form a triangle. Models MA.304723.745, MA.304723.746 and 1979.0102.189 are the pieces of this model.
    A drawing ot 12TD, dated April 2, 1932, is in 1979.3002.55 (folder 1).

    Location

    Currently not on view

    Credit Line

    Gift of Louise D. Campbell

    date made

    ca 1932 04 02

    ID Number

    1979.0102.189

    accession number

    1979.0102

    catalog number

    1979.0102.189

    Object Name

    geometric model

    Physical Description

    wood (overall material)
    plastic (overall material)

    Measurements

    overall: 7.5 cm x 11.5 cm x 1.3 cm; 2 15/16 in x 4 17/32 in x 1/2 in

    place made

    United States: Massachusetts, Worcester

    See more items in

    Medicine and Science: Mathematics
    Plane Dissections

    Data Source

    National Museum of American History

    Subject

    Mathematics

    Metadata Usage

    CC0

    Link to Original Record

    https://n2t.net/ark:/65665/ng49ca746a7-5c50-704b-e053-15f76fa0b4fa

    Record ID

    nmah_904931

    Discover More

    Wooden hinged dissection comprised of four trapezoids arranged in a square, a triangle, and a smaller square.

    Geometric Models – Plane Dissections

    Wooden hinged dissection comprised of four trapezoids arranged in a square, a triangle, and a smaller square.

    Geometric Models – Plane Dissections

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