De Forest "Vis-ion" type 601 glow lamp
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
notes: 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.RSN79796T38
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: discharge lamp
label: Object Name
content: coronal discharge lamp