Model of Lines of Curvature on an Ellipsoid by Richard P. Baker, Baker #90

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Description
This is a model of lines of curvature on an ellipsoid. The rectangular wooden base supports a plaster half-ellipsoid with grid of ellipses drawn on it. A tag on the model reads: No. 90 (/) LINES OF CURVATURE ON (/) ELLIPSOID.
References:
R. P. Baker, A List of Mathematical Models, [1905], p. 16. A copy of this document is in the Baker Papers at the University of Iowa Archives.
R. P. Baker, Mathematical Models, Iowa City, Iowa, 1931, p. 12.
Location
Currently not on view
date made
ca 1900-1935
maker
Baker, Richard P.
place made
United States
Physical Description
plaster (overall material)
wood (overall material)
black (overall color)
white (overall color)
plaster cast. screwed to base. (overall production method/technique)
Measurements
average spatial: 7.2 cm x 17.8 cm x 22.6 cm; 2 27/32 in x 7 in x 8 29/32 in
ID Number
MA.211257.013
accession number
211257
catalog number
211257.013
Credit Line
Gift of Frances E. Baker
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Data Source
National Museum of American History

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