Quickbreak switch
date: label: date made
content: ca 1890
notes: label: Description (Brief)
content: A two-pole circuit breaker for an early electric power circuit. Slate base on which is mounted a spring-loaded plunger with copper contacts. Plastic handle at top is used to push the plunger down into contact with the terminals. A spring-loaded switch in the frame serves as a quick release mechanism. No extant maker's marks.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Princeton University, Dept. of Electrical Engineering, thru Dean Howard Menand
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.318711
label: catalog number
content: 318711
label: accession number
content: 232729
objectType: label: Object Name
content: Switch, Quick Break
label: Object Name
content: electrical switch
label: Object Name
content: switch
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 3 5/8 in; 11.43 cm x 9.2075 cm