Blackboard Railroad Curve
date: label: date made
content: ca 1900
notes: label: Description
content: The edge of this flat wooden blackboard curve appears to be an arc of a circle with a radius of about eleven inches. The object resembles a railroad curve but has a handle at the center and chalk marks.
label: Description
content: A chalk mark on the back reads: 4.
label: Description
content: Received from the Department of Mathematics at Brown University in 1973.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
label: Subject
content: Drawing Instruments
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Curves
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Brown University Department of Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.304722.12
label: accession number
content: 1973304722
label: catalog number
content: 304722.12
objectType: label: Object Name
content: Curve
physicalDescription: label: Physical Description
content: wood (overall material)
label: Measurements
content: overall: 2.8 cm x 44.7 cm x 10.2 cm; 1 3/32 in x 17 19/32 in x 4 1/32 in