Electro Importing Co. 10 ohm rheostat
date: label: date made
content: ca 1911
label: date made
content: c 1910-1912
name: label: maker
content: Electro Importing Co.
notes: label: Description (Brief)
content: Marked: on unit: "EI Co. / New York / Patented"; on box: "Electro / Rheostat Regular and Switch / Capacity 2 Amperes continuously / 4 Amperes for short duration / Guaranteed 10 ohms." Wooden based variable resistance.
label: Description (Brief)
content: Unit was designed to regulate battery current in various applications in wireless, electric lighting, electric motors, medical cautery equipment, and electro-plating. Advertised as No. 5000 Rheostat Regular. Original price: $0.60. Reference: Electro-Importing Co. Catalog, "Wireless," 1912, page 80.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.321103
label: catalog number
content: 321103
label: accession number
content: 241556
objectType: label: Object Name
content: rheostat
label: Object Name
content: variable resistance
physicalDescription: label: Measurements
content: box: 2 in x 4 1/2 in x 4 1/2 in; 5.08 cm x 11.43 cm x 11.43 cm
label: Measurements
content: unit: 1 1/2 in x 4 in; 3.81 cm x 10.16 cm