Siemens & Halske type 110 "Schottky" tetrode
date: label: date made
content: ca 1917
name: label: maker
content: Siemens & Halske
notes: label: Description (Brief)
content: A 5-pin steel base (four brass banana pins, one hollow pin) with fiber insulator, tipped S-shaped envelope. Base corroded. Paper label over stamped in red: "Siemens / Schottky / Rohr", rest of label heavily damaged. Second label: "M / 19221. Collection #30.447(2 of 2). References: Tyne, "Saga of the Vacuum Tube," pages 245-246; https://www.radiomuseum.org/tubes/tube_110_siemens.html.
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 Museum of Science and Industry (Chicago)
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.330635.2
label: catalog number
content: 330635.2
label: accession number
content: 271855
label: collector/donor number
content: 30.447
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: tetrode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: overall: 4 1/2 in x 1 1/2 in; 11.43 cm x 3.81 cm