Osram type MS4B "Catkin" tetrode
name: label: maker
content: Osram
notes: label: Description (Brief)
content: Osram type MS4B vacuum tube in box. Five pin base with metal can, banana pins, screw-knob connector on top. Marked: "Patented - Made in England", and "Osram / Catkin / B.V.A." A screen-grid tetrode. The markings on the box: "1-T15", "600 volts", and Fil Vts. 6 / Fil Amp 1.0 / And Vlts 600" do not seem correct for this tube, so the box may not be original. Reference: https://www.radiomuseum.org/tubes/tube_ms4bkatkin.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322501
label: catalog number
content: 322501
label: accession number
content: 241556
objectType: label: Object Name
content: tetrode
label: Object Name
content: vacuum tube
label: Object Name
content: electron tube
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: box: 5 1/4 in x 3 1/4 in x 3 in; 13.335 cm x 8.255 cm x 7.62 cm
label: Measurements
content: unit: 4 3/4 in x 1 3/4 in; 12.065 cm x 4.445 cm