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Geometric Model by A. Harry Wheeler, Triangle Transformable into Triangle and into Parallelogram, Plane Dissection

American History Museum

Hinged Plane Dissection, Four triangles and one quadrilateral that can be arranged as a triangle or a quadrilateral.
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  • Hinged Plane Dissection, Four triangles and one quadrilateral that can be arranged as a triangle or a quadrilateral.
  • Hinged Plane Dissection, Four triangles and one quadrilateral that can be arranged as a triangle or a quadrilateral.
  • Plane Dissection - Arranged as Triangle

    Object Details

    maker

    Wheeler, Albert Harry

    Description

    The five pieces of this hinged dissection can be arranged as a triangle two ways and as a quadrilateral.
    A drawing for this model is in 1979.3002.55, folder 1. It is dated January 9, 1932, and shows the pieces arranged as a triangle in two ways and as a parallelogram.
    This is Wheeler's model 5B, Triangle Into Triangle, as listed in his "Decompositions of Polygons," under triangles.

    Location

    Currently not on view

    Credit Line

    Gift of Helen M. Wheeler

    date made

    ca 1932

    ID Number

    MA.304723.754

    accession number

    304723

    catalog number

    304723.754

    Object Name

    geometric model

    Other Terms

    Dissection

    Physical Description

    plastic (overall material)
    wood (overall material)
    metal (overall material)
    green (overall color)
    red (overall color)
    yellow (overall color)
    black (overall color)
    white (overall color)
    hinged (overall production method/technique)

    Measurements

    average spatial: 11 cm x 20.2 cm x 13.3 cm; 4 11/32 in x 7 15/16 in x 5 1/4 in

    place made

    United States: Massachusetts, Worcester

    See more items in

    Medicine and Science: Mathematics
    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/ng49ca746a9-3413-704b-e053-15f76fa0b4fa

    Record ID

    nmah_1073890

    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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