sprocket wheel

sprocket wheel

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Object Name
Sprocket Wheel
Date made
Associated Place
United States: New Jersey
Physical Description
phenolic (overall material)
paper (overall material)
overall: 2 mm x 42 mm; 1/16 in x 1 5/8 in
overall: 1/16 in x 1 3/4 in;.15875 cm x 4.445 cm
ID Number
catalog number
accession number
Credit Line
Gift of Plastics Institute of America
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
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