Model of Contour Lines by Richard P. Baker, Baker #92

Model of Contour Lines by Richard P. Baker, Baker #92

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Description
This painted plaster model showing contour lines fits in an open wooden box.
In a catalog from about 1905, Baker described the surface shown as “a quasi geographical [sic] area containing 3 peaks, 1 hollow, and 2 passes. Contours, slope lines, ridge, and course lines are marked. An inloop and outloop curve occur.”
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. 5.
Location
Currently not on view
Object Name
geometric model
date made
ca 1900-1935
maker
Baker, Richard P.
place made
United States
Physical Description
plaster (overall material)
wood (overall material)
metal (overall material)
white (overall color)
green (overall color)
blue (overall color)
black (overall color)
plaster cast. sides screwed. (overall production method/technique)
Measurements
average spatial: 4.5 cm x 20.6 cm x 20.4 cm; 1 25/32 in x 8 1/8 in x 8 1/32 in
ID Number
MA.211257.014
accession number
211257
catalog number
211257.014
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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