Miller-Cowan / Central Scientific electromagnetic demonstration generator
name: label: maker
content: Central Scientific Company
label: maker
content: Miller-Cowan
notes: label: Description (Brief)
content: An electromagnetic demonstration apparatus, a Miller-Cowan generator manufactured by Central Scientific Company. Markings: "Central Scientific Company." Description: Classroom type laboratory generator for direct and alternating currents. A two layer armature turned by a crank revolves between the poles of an electromagnet. A commutator appears in the center of the shaft with brushes affixed thereto, and drawing current to binding posts on base. A slip ring arrangement on the armature shaft permits the generator to emit AC current with a change of the brush position. Reference: CENCO Catalog, J-300, page 716. Audel's New Electric Library, Vol. I, Chapter 16, pages 303-319.
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the University of Maryland
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.318289
label: catalog number
content: 318289
label: accession number
content: 233572
objectType: label: Object Name
content: Electromagnetic Demonstration Apparatus, Generator
label: Object Name
content: generator
physicalDescription: label: Measurements
content: overall: 9 1/2 in x 9 1/4 in x 13 in; 24.13 cm x 23.495 cm x 33.02 cm