Maker:

RCA Corporation  Search this

Measurements:

overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm

Object Name:

Electron Tube

pentode

Date made:

ca 1934

Description (Brief):

A vacuum pentode for power amplification. A 6-pin plastic base with BT-shaped envelope, getter stain. Marked: "RCA Cunningham / Radiotron", and stamped: "Made in / 2A5 / U.S.A." Paper label reads: "Sylvania / Set Tested Radio Tubes / Good Doubtful [checked] Bad / 9/14/39 / John Bengston / Rock Island. Ill. Phone: R.I. 555 / 730", Reference: https://www.radiomuseum.org/tubes/tube_2a5.html.

Location:

Currently not on view

Credit Line:

from Franklin Wingard

ID Number:

EM.241556.673

Accession number:

241556

Catalog number:

241556.673

See more items in:

Work and Industry: Electricity

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746a5-2232-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_700485