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Catalog Data

Maker:
Radio Corporation of America  Search this
General Electric Company  Search this
Measurements:
overall: 4 1/4 in x 1 3/4 in; 10.795 cm x 4.445 cm
Object Name:
vacuum tube
triode
Date made:
ca 1921
Description (Brief):
A 4-pin brass base shell with ceramic insulator, tipped S-shaped envelope. Stamped on envelope: old style RCA logo, GE logo; on base: "Radiotron / model UV-201 / Patented / Licensed for Amateur / or Experimental Use Only." References: Tyne, "Saga of the Vacuum Tube," pages 298, 309-315, 360; https://www.radiomuseum.org/tubes/tube_uv201a.html.
Location:
Currently not on view
Credit Line:
from Franklin Wingard
ID Number:
EM.323108
Catalog number:
323108
Accession number:
241556
See more items in:
Work and Industry: Electricity
Data Source:
National Museum of American History
GUID:
http://n2t.net/ark:/65665/ng49ca746ac-973a-704b-e053-15f76fa0b4fa
EDAN-URL:
edanmdm:nmah_1349904