French-Style Sector Signed by Butterfield
date: label: date made
content: 1677-1724
name: label: maker
content: Butterfield, Michael
notes: label: Description
content: This brass instrument has rectangular arms hinged at one end. The hinge is decorated with a flower on both sides. One side has double scales of chords, running from 10 to 140; of solids, running from 10 to 60; and for the specific weights of four metals, marked with their symbols. The outer edge of one arm has a scale that runs from 4 to 24 and is labeled poids des boulets. The sector is marked: Butterfield (/) AParis.
label: Description
content: The other side has a double scale of equal parts that runs from 10 to 200; an unlabeled double scale that runs from 10 to 60 and is presumably for making architectural drawings; and a double scale for inscribed regular polygons, from 12 sides to three sides. The outer edge of one arm has a scale for Calibre des pices [<i>sic</i>] that runs from 4 to 24. Compare to MA.321676 and MA.321677.
label: Description
content: Michael Butterfield (1635–1724) was an English instrument maker who worked in France from around 1677 until his death. He was best known for his distinctive sundials.
label: Description
content: References: Maya Hambly, <i>Drawing Instruments, 1580–1980</i> (London: Sotheby's Publications, 1988), 24, 134–135; Harriet Wynter and Anthony Turner, <i>Scientific Instruments</i> (New York: Charles Scribner's Sons, 1975), 113.
label: Location
content: Currently not on view
place: label: place made
content: France: Île-de-France, Paris
topic: label: Subject
content: Mathematics
label: Subject
content: Sectors
label: Subject
content: Rule, Calculating
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Sectors
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Mrs. Albert Haertlein
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1985.0580.04
label: catalog number
content: 333929
label: accession number
content: 1985.0580
objectType: label: Object Name
content: sector
physicalDescription: label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: .4 cm x 17.2 cm x 3 cm; 5/32 in x 6 25/32 in x 1 3/16 in