Manhattan model 460 spark coil
date: label: date made
content: ca 1916
name: label: maker
content: Manhattan Electrical Supply Co.
notes: label: Description (Brief)
content: Manhattan model 460 spark coil. Marked: "Manhattan Electrical / Supply Co. / New York Chicago / 460 / Patents Applied For". Binding posts on top of unit are for connection to a suitable spark gap. Manufacturer states that a primary condenser is included inside the case. Contact points on the interrupter are made of heavy platino-indium. Manufacturer claims that this and comparable coils of MESCO design consume only 1/3 the amount of current used by other coils operated at the same voltage. Reference: Manhattan Electrical Supply Co. Catalog of Radio Apparatus, 1916, page 48.
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.320833
label: accession number
content: 241556
label: catalog number
content: 320833
objectType: label: Object Name
content: spark coil
physicalDescription: label: Measurements
content: overall: 3 3/4 in x 7 in x 3 1/4 in; 9.525 cm x 17.78 cm x 8.255 cm