Experimental RCA type 30 triode
date: label: date made
content: ca 1930
name: label: associated user
content: unknown
label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A 4-pin plastic base with T-shaped envelope, getter stain. Base etched: "OP"; on envelope: "For experimental / purpose / subject to return / upon request / Radio Tube............ / Property of / RCA Radiotron Co. / Incorporated". The internal structure is almost identical with the Tung-Sol type 30. Reference: https://www.radiomuseum.org/tubes/tube_30.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN79831U09
objectType: label: Object Name
content: Electron Tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: electron tube: 4 in x 1 1/8 in; 10.16 cm x 2.8575 cm