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 red threads, the upper one yellow 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, attached a paper label that reads: 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
- Other Terms
- Geometric Model; Scroll of Higher Order
- maker
- Baker, Richard P.
- place made
- United States: Iowa, Iowa City
- Physical Description
- thread (overall material)
- wood (overall material)
- metal (overall material)
- red (overall color)
- black (overall color)
- yellow (overall color)
- screwed and threaded (overall production method/technique)
- Measurements
- average spatial: 36.5 cm x 34.3 cm x 33.8 cm; 14 3/8 in x 13 1/2 in x 13 5/16 in
- ID Number
- MA.211257.123
- accession number
- 211257
- catalog number
- 211257.123
- 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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