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Geometric Model by A. Harry Wheeler, Isoceles Triangle Transformable into Rectangle, Plane Dissection

American History Museum

Hinged Plane Dissection, One triangle and two quadrilaterals which can be arranged as a rectangle or a triangle.
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  • Hinged Plane Dissection, One triangle and two quadrilaterals which can be arranged as a rectangle or a triangle.
  • Hinged Plane Dissection, One triangle and two quadrilaterals which can be arranged as a rectangle or a triangle.

    Object Details

    maker

    Wheeler, Albert Harry

    Description

    The three pieces of this hinged dissection may be arranged as a rectangle or as an isoceles triangle.
    Sheets entitled Regular Hexagons in 1979.3002.43, folder 2 discuss this model, where it is shown in a list of dissected rectangles. Wheeler apparently denoted it by 3O or 3Alpha. There is a drawing in 1979.3002.43, folder 1, dated January 29, 1932 and labeled 3alpha.

    Location

    Currently not on view

    Credit Line

    Gift of Helen M. Wheeler

    date made

    ca 1932

    ID Number

    MA.304723.781

    accession number

    304723

    catalog number

    304723.781

    Object Name

    geometric model

    Physical Description

    plastic (overall material)
    wood (overall material)
    metal (overall material)
    purple (overall color)
    hinged (overall production method/technique)

    Measurements

    average spatial: 1.3 cm x 17.5 cm x 11 cm; 1/2 in x 6 7/8 in x 4 11/32 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/ng49ca746a9-2820-704b-e053-15f76fa0b4fa

    Record ID

    nmah_1074395

    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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