Telegraph tape transmitter
date: label: date made
content: ca 1920
notes: label: Description (Brief)
content: A telegraph tape transmitter unit with associated perforator mechanism. The transmitter unit is a green-painted brass mount with a clutch and gear on the back, and a 2-brush tape reader and paper path on the front. Two-position rocker switch on the top, and cloth insulated wires. Stamped on bottom: "7"; adjustment scale "4 - 0 - 4" stamped in front of hole in tape path. The perforator does not appear to attach to this transmitter. Brass perforator unit has two spring-loaded punches and a chrome plate. A separate steel backing plate, four machine screws and two flat washers were found with the unit. Stamped: "Drury Bros., London. No. 34".
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 Major General George O. Squier, thru Jason A. Purcell
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.311204
label: catalog number
content: 311204
label: accession number
content: 143739
objectType: label: Object Name
content: Perforator, Telegraph
label: Object Name
content: telegraph transmitter
physicalDescription: label: Measurements
content: transmitter unit: 7 in x 6 7/8 in x 5 in; 17.78 cm x 17.4625 cm x 12.7 cm
label: Measurements
content: hand perforator unit: 2 in x 2 1/4 in x 1 in; 5.08 cm x 5.715 cm x 2.54 cm