Curve for Drawing a Hyperbola, Keuffel & Esser 2182
Curve for Drawing a Hyperbola, Keuffel & Esser 2182
- Description
- This small, flat unpainted wooden pear wood curve has a hyperbolic top edge and a straight bottom. There are two holes along the axis. A mark on one side reads: 2182. Another mark on the same side reads; KEUFFEL & ESSER (/) N.Y.
- Keuffel & Esser’s model 2182 was a set of pear wood curves of hyperbolas in eight sizes, ranging from 2 to 5 1/2 inches in depth. This is the 3 ½ inch size. Keuffel and Esser sold ellipses, hyperbolas and parabolas made from pear wood from at least 1892 until at least 1913. By 1921, such curves were available from K & E only in xylonite.
- References:
- Keuffel & Esser Company, Catalog, New York, 1892, p. 151.
- Keuffel & Esser Company, Catalog, New York, 1909, p. 226.
- Keuffel & Esser Company, Catalog, New York, 1913, p. 203.
- Keuffel & Esser Company, Catalog, New York, 1921, p. 147.
- Location
- Currently not on view
- date made
- ca 1900
- maker
- Keuffel & Esser Co.
- place made
- United States: New York, New York
- Physical Description
- wood (overall material)
- Measurements
- overall: .2 cm x 9.2 cm x 9.4 cm; 3/32 in x 3 5/8 in x 3 11/16 in
- ID Number
- 1985.0112.229
- catalog number
- 1985.0112.229
- accession number
- 198540112
- Credit Line
- Gift of Wesleyan University
- subject
- Mathematics
- Drawing Instruments
- See more items in
- Medicine and Science: Mathematics
- Science & Mathematics
- Curves
- Data Source
- National Museum of American History
