Divided Circle, Demonstration Piece for a Dividing Engine
notes: label: Description
content: This metal circle is divided to 360 degrees around the rim and subdivided. It has a hole in the middle and a ring with four small screwholes around it. The space between the ring and the rim is serrated and painted black. According to the catalog card, this ia a "demonstration piece for dividing engine."
label: Description
content: The accession file lists this as a theodolite circle. No dividing engine was received as part of accession 106954, but a Troughton & Simms dividing engine was received from the Coast Survey in the same year (see MA.309643).
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Mathematics
creditLine: label: Credit Line
content: Transfer from U. S. Coast and Geodetic Survey
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.309674
label: catalog number
content: 309674
label: accession number
content: 106954
objectType: label: Object Name
content: divided circle
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: .8 cm x 19.4 cm x 19.4 cm; 5/16 in x 7 5/8 in x 7 5/8 in