Lansdale / Philco type 6-L-7-G pentagrid mixer
date: label: date made
content: ca 1935
name: label: maker
content: Lansdale Tube Company
notes: label: Description (Brief)
content: A 7-pin plastic base with center post, top contact, domed envelope. Stamped in envelope: "Philco”. Donor’s card reads: “Pentagrid mixer made by Lansdale Tube Company for Pilco Corporation, from the 1930s. Glass octal type used as mixers in superheterodyne circuits having a separate oscillator stage as well as other applications were dual control is desirable in a single stage. The two separate control grids are shielded from each other and coupling effects between oscillator and signal circuits are very small. Heater type: 6.3 volts at .3 ampere.” See also: https://www.radiomuseum.org/tubes/tube_6l7g.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 Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325016
label: catalog number
content: 325016
label: accession number
content: 252994
objectType: label: Object Name
content: electron tube
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 1/2 in; 11.43 cm x 3.81 cm