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

Object Details

Wheeler, Albert Harry

Description

This wooden hinged dissection has four pieces that can be arranged as a parallelogram or as a trapezoid. The pieces are colored such that the both the trapezoid and the parallelogram have an inscribed parallelogram.

This model is listed on Wheeler's list of decompositions of polygons as "Parallelogram into Trapezoid (Small Size Ralph Holm)." He did not assign it a number.

Location

Currently not on view

Credit Line

Gift of Helen M. Wheeler

ID Number

MA.304723.777

accession number

304723

catalog number

304723.777

Object Name

geometric model

Physical Description

wood (overall material)

metal (overall material)

brown (overall color)

black (overall color)

cut, glued and hinged (overall production method/technique)

Measurements

average spatial: 1.1 cm x 14 cm x 6 cm; 7/16 in x 5 1/2 in x 2 3/8 in

place made

United States: Massachusetts, Worcester

See more items in

Medicine and Science: Mathematics

Science & Mathematics

Plane Dissections

National Museum of American History

Subject

Mathematics

Record ID

nmah_1075119

Metadata Usage (text)

CC0

GUID (Link to Original Record)

https://n2t.net/ark:/65665/ng49ca746a9-3024-704b-e053-15f76fa0b4fa