patent model, Tirrell electro-magnetic engine model, US #118561
date: label: Date made
content: 1871
name: label: maker
content: Tirrell, Jacob P.
notes: label: Description (Brief)
content: Model for US Patent #118561, "Electro-magnetic Engine," issued 18 August 1871 to Jacob P. Tirrell, Charlistow, Mass. Original patent tags: "Received June 1, 1871", "PATENTED AUG 29, 1871". A wooden model of a generator with a horizontally mounted axis, wooden pulley on one end, wood and brass commutator on the other end. Two wooden binding posts on base. Green cloth insulated wires on the six coils.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the Estate of Edith R. Meggers, thru Howard Kolodny
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.334742
label: catalog number
content: 334742
label: accession number
content: 314637
label: patent number
content: 118561
objectType: label: Object Name
content: Electro-Magnetic Engine
label: Other Terms
content: Electro-Magnetic Engine; Electromagnetic Devices; Magnetic Devices; Electromagnetic Devices; Electromagnetic Devices
physicalDescription: label: Measurements
content: overall: 11 cm x 14 cm x 10.25 cm; 4 5/16 in x 5 1/2 in x 4 1/16 in