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J. L. Hammett Co. Open Triangle

American History Museum

Triangle Sold by J. L. Hammett Company
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  • Triangle Sold by J. L. Hammett Company
  • Triangle Sold by J. L. Hammett Company

    Object Details

    maker

    J. L. Hammett Co.

    Description

    This 17-1/4" 45°-45°-90° maple triangle is formed from three pieces of wood and has an open interior. The hypotenuse is marked: J. L. HAMMETT CO. (/) CAMBRIDGE. MASS. John Hammett began selling erasers and slating paint for chalkboards in Rhode Island in 1863, moving to Boston in 1865. In 1890 new owners expanded the firm into all forms of paper school supplies. J. L. Hammett operated over 50 retail stores from 1974 to 2005. The Department of Mathematics at Brown University gave this object to the Museum in 1973.
    References: Bill Lane, "School Supplier J. L. Hammett to Close Stores," Boston Business Journal, January 4, 2005, http://www.bizjournals.com/boston/stories/2005/01/03/daily12.html; "J. L. Hammett Company," The Play and Playground Encyclopedia, http://www.pgpedia.com/j/jl-hammett-company.

    Location

    Currently not on view

    Credit Line

    Gift of Brown University Department of Mathematics

    date made

    20th century

    ID Number

    MA.304722.44

    catalog number

    304722.44

    accession number

    304722

    Object Name

    triangle

    Physical Description

    maple (overall material)

    Measurements

    overall: 62 cm x 31.5 cm x .7 cm; 24 13/32 in x 12 13/32 in x 9/32 in

    place made

    United States: Massachusetts, Cambridge

    See more items in

    Medicine and Science: Mathematics
    Squares and Triangles
    Science & Mathematics

    Data Source

    National Museum of American History

    Subject

    Mathematics
    Education
    Drawing Instruments

    Metadata Usage

    CC0

    Link to Original Record

    https://n2t.net/ark:/65665/ng49ca746a7-4752-704b-e053-15f76fa0b4fa

    Record ID

    nmah_904226

    Discover More

    A wooden case holding two wooden triangles and a wooden French curve

    Triangles

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