Muirhead telegraph test fluxmeter
name: label: maker
content: Muirhead & Co. Ltd.
notes: label: Description (Brief)
content: Fluxmeter (Telegraph Test Equipment), housed in a light brown wooden box with hinged. Fluxmeter has a 2 square inch x 1.5" high housing on top of a 1 square inch x 5" mounting post. On side of the housing is a meter movement. On top is a dial reading from 0-6000. On the back are input terminals marked + and -. A gear runs up the back side of the mounting post. Printed on the front: "Muirhead & Co. Ltd. / No. 59402 / Patent # 207680". A paper tag pasted inside the box lid reads: "Fluxmeter No. 59402 / Measuring Current 47-M.A. / Resistance of Fluxmeter coil / approximately 120 Ohms / Connections for Measurement / thus: - [schematic]". The schematic notes the Fluxmeter terminals, an "8 or 10 volt battery", and a "Milliammeter".
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from ITT World Communications, Inc., thru John Van Ingen
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.330297
label: catalog number
content: 330297
label: accession number
content: 288763
objectType: label: Object Name
content: Fluxmeter
physicalDescription: label: Measurements
content: meter: 7 1/4 in x 2 in x 3 in; 18.415 cm x 5.08 cm x 7.62 cm
label: Measurements
content: box: 2 5/8 in x 8 1/8 in x 3 3/4 in; 6.6675 cm x 20.64512 cm x 9.525 cm