Keuffel & Esser 510 Beam Compass
date: label: date made
content: 1901-1936
name: label: maker
content: Keuffel & Esser Co.
notes: label: Description
content: This German silver instrument has steel and brass points. Two trammels have thumbscrews for fastening to a wooden bar (not included) and for attaching one of the five points. One trammel has a micrometer and is marked on the front: KEUFFEL & ESSER Co. N.Y. GERMANY. The back is marked: PARAGON. Above this mark is scratched: CE1RD. Compare this mark to 1978.2110.02.
label: Description
content: The attachments include a pencil point, an adjustable pen point, two steel needle points, and one brass needle point. A rectangular wooden case is covered with morocco leather and lined with green velvet. The bottom of the case is marked: GERMANY.
label: Description
content: K&E sold this instrument as model number 510 at least as early as 1892, but the Paragon brand was not introduced until 1901. By 1936 the points were stainless steel instead of steel. The price with case was $10.25 in 1909.
label: Description
content: References: <i>Catalogue of Keuffel & Esser Co. </i>, 23rd ed. (New York, 1892), 34; <i>Catalogue of Keuffel & Esser Co. </i>, 33rd ed. (New York, 1909), 69; <i>Catalogue of Keuffel & Esser Co. </i>, 36th ed. (New York, 1921), 66; <i>Catalogue of Keuffel & Esser Co. </i>, 38th ed. (New York, 1936), 107, 121.
label: Location
content: Currently not on view
place: label: place made
content: Germany
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: Science & Mathematics
label: See more items in
content: Dividers and Compasses
creditLine: label: Credit Line
content: Gift of Ruth A. Ming
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1978.2110.03
label: accession number
content: 1978.2110
label: catalog number
content: 336729
objectType: label: Object Name
content: beam compass
physicalDescription: label: Physical Description
content: leather (overall material)
label: Physical Description
content: german silver (overall material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: velvet (overall material)
label: Physical Description
content: steel (overall material)
label: Measurements
content: overall: 18 cm x 7 cm x 3 cm; 7 3/32 in x 2 3/4 in x 1 3/16 in