Maker:

Mullard  Search this

Measurements:

overall: 3 3/4 in x 1 1/4 in; 9.525 cm x 3.175 cm

Object Name:

Electron Tube

triode

Date made:

ca 1923

Description (Brief):

A British triode. Metal four-pin base with four brass pins and plastic insulator. "P" and "G" stamped on shell. Tipped tubular glass envelope. Stamped on one side: a circuit diagram with "O", "R", and "A" Stamped on other side: "Trade Mark / Radio Mullard Valve / 3330". A round paper label on one side seems to have faded to illegibility.

Location:

Currently not on view

Credit Line:

from Weston Electrical Instrument Corp., thru John H. Miller

ID Number:

EM.313293

Catalog number:

313293

Accession number:

181342

See more items in:

Work and Industry: Electricity

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746a5-2322-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_701641