Ruled Surface by Richard P. Baker, Scroll of Higher Order

Ruled Surface by Richard P. Baker, Scroll of Higher Order

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Description
This ruled surface has a wooden frame painted black. The frame has two horseshoe-shaped pieces on each of two opposite sides. These have holes which are strung to y-shaped pieces on the top and bottom. The lower surface has blue threads, the upper one red threads. A pink yarn down the middle is tangent to both ruled surfaces.
Some American geometric models copied those of European makers. This is one of them. The maker, Richard P. Baker of the University of Iowa, labeled another example of it: Scroll of higher order. The model closely resembles a smaller model sold by the German maker Ludwig Brill as a ruled surface with self-intersections forming a line, with four pinch points on the line. For an example of the German model, see 1985.0112.130. For examples of Baker’s model, see MA.304722.30 and MA.211257.123.
Location
Currently not on view
Object Name
geometric model
geometric model
date made
ca 1906-1935
maker
Richard P. Baker
place made
United States: Iowa
Physical Description
wood (overall material)
thread (overall material)
Measurements
overall: 34.7 cm x 36.5 cm x 34.7 cm; 13 21/32 in x 14 3/8 in x 13 21/32 in
ID Number
MA.304722.30
catalog number
304722.30
accession number
304722
Credit Line
Gift of Brown University Department of Mathematics
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Data Source
National Museum of American History
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