French-Style Sector Signed by Butterfield
date: label: date made
content: ca 1700
name: label: maker
content: Butterfield, Michael
notes: label: Description
content: The arms of this small brass instrument have straight ends. One side has a double scale of chords that runs from 10 to 90. The outer edge on one arm has a scale that runs from 4 to 24 and is labeled poids des boulets. The inner edge of both arms has a double scale for the specific weights of four metals, marked with their symbols. The sector is marked: Butterfield (/) AParis. The hinge is decorated with a flower.
label: Description
content: On the other side, the outer edge of one arm has a scale that runs from 4 to 24 and is labeled Calibre des pieces. Both arms have double scales of equal parts, running from 10 to 120, and for inscribed regular polygons, from 12 sides to three sides. Compare to MA.321677 and 1985.0580.04.
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; Adler Planetarium, <i>Webster Signature Database</i>, http://historydb.adlerplanetarium.org/signatures/; Henri Michel, <i>Scientific Instruments in Art and History</i>, trans. R. E. W. Maddison and Francis R. Maddison (Barrie and Rockliff, 1967), 206.
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
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.321676
label: catalog number
content: 321676
label: accession number
content: 245711
objectType: label: Object Name
content: sector
physicalDescription: label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: .3 cm x 10.6 cm x 2.5 cm; 1/8 in x 4 3/16 in x 31/32 in