Western Electric type 5A vacuum thermocouple
date: label: date made
content: ca 1923
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: Marked: "Western Electric / Vacuum Thermocouple / Type 5N Serial No. 1593 / Approximate constants at 20C / Heater: 35.9 ohms / .0068 amperes / .0144a* / Couple: 12.0 ohms / for .005v+ / for .015v+ / * maximum safe heater current / + open circuit couple EMF. / Western Electric Company Incorporated Engineering Department / 463 West St., New York / Made in U.S.A. / 503 (2-23)". A small wooden housing with four binding posts on top.
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.321724
label: accession number
content: 241556
label: catalog number
content: 321724
objectType: label: Object Name
content: thermocouple
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 3 in x 3 in; 8.89 cm x 7.62 cm x 7.62 cm