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Teaching Apparatus

Teaching Apparatus

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Usage conditions apply
The apparatus consists of a metal wheel, indented around the rim to hold a rubber edging. The wheel rotates on a metal shaft which is attached to a wooden handle.
Currently not on view
Object Name
Teaching Apparatus
Physical Description
metal (overall material)
wood (overall material)
overall: 9.3 cm x 21 cm x 9.3 cm; 3 21/32 in x 8 9/32 in x 3 21/32 in
ID Number
catalog number
accession number
Credit Line
Gift of the Department of Mathematics, The University of Michigan
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Data Source
National Museum of American History
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