General Electric "Tungar" battery charger
date: label: date made
content: ca 1925
name: label: Maker
content: Western Union Corporation
label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A green ventilated steel case with two metal mounting brackets on the bottom, two hinged access panels, and a surface-mounted toggle switch on top. Nameplate on top reads: "[GE logo] Tungar / Reg. U.S. Pat. Off. / Rectifier / CS 3125112 / Volts A.C. 115 Volts D.C. 160 Amp.D.C. 2 / Cyc. 60 Use bulb cat. 16x897 / Patented Feb.27,'12 Dec.30,'13 May18,'15 Sep.21,'15 May8,'16 July18,'16 Dec.12,'16 / Oct.23,'17 Nov.13,'17 May14,'18 Oct.11,'21 June24,'24 Mar.10,'25 / General Electric Co.,U.S.A. / NP 15503". Written on lower corner: "OK / [initials] 5-1-35 / 2.1 Amps at 160V". One access panel covers a transformer; and the other access panel covers a tungar bulb, ceramic cartridge fuse holder (empty), and a ceramic junction box labeled "D-C. +" and "A-C. Line". Unit is a battery charger that converts alternating current to direct current.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Western Union Corporation
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.332151
label: accession number
content: 294351
label: collector/donor number
content: 100-483
label: accession number
content: 294351
label: catalog number
content: 332151
objectType: label: Object Name
content: Rectifier, Tugar
label: Object Name
content: rectifier
label: Object Name
content: battery charger
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 11 in x 9 1/4 in x 11 in; 27.94 cm x 23.495 cm x 27.94 cm