Central Scientific Gilley-Gramme-type direct current demonstration apparatus
name: label: associated person
content: Gilley
label: maker
content: Central Scientific Company
label: maker
content: Central Scientific Company
notes: label: Description (Brief)
content: No extant makers markings. Laboratory demonstration motor with Gramme-type ring armature. Cylindrical electromagnet field coil with curved pole pieces. Commutator segments are affixed to underside of armature. Reference: Knott Catalog, 1912, page 184; also https://www.sil.si.edu/DigitalCollections/trade-literature/scientific-instruments/files/51733/imagepages/image496.htm; CENCO Catalog J-300 page 716. Audel's New Electric Library, Vol I, Chapter 16 (pages 303-320).
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Dunbar High School, thru Charles Lofton
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.323734
label: catalog number
content: 323734
label: accession number
content: 252354
objectType: label: Object Name
content: Motor
label: Object Name
content: electric motor
label: Other Terms
content: Motor; Magnetic Devices; Electromagnetic Devices; Electromagnetic Devices
physicalDescription: label: Measurements
content: overall: 3 1/8 in x 8 in x 7 1/2 in; 7.9375 cm x 20.32 cm x 19.05 cm