Vacuum tube

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OBJECT TYPE: power amplifier
DATE: 1960
ARTIFACT NUMBER: 1992.2948.001

MANUFACTURER: Western Electric
MODEL: 5D21
LOCATION: United States of America

More Information

General Information

Serial #: 48283 3
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: Ceramic base with four metal poles/ glass dome/ metal components

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 14.4 cm
Width: N/A
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: 6.4 cm
Volume: N/A

Lexicon

Group: Vacuum Tubes
Category: Transmitting
Sub-Category: N/A

Manufacturer

AKA: Western Electric
Country: United States of America
State/Province: Unknown
City: Unknown

Context

Country: United States of America
State/Province: Unknown
Period: circa 1960+
Canada: Part of a large and varied collection of over 7500 electrical items acquired and documented by Ontario Hydro in the 1960s. The collection was thought to be the largest and most comprehensive of its kind in Canada and was donated to the Canada Science and Technology Museum in 1992
Function: A cathode type power amplifier tetrode designed for use in telephony and telegraphy units.
Technical: Unknown
Area Notes: Unknown

Details

Markings: Red lettering on glass reads 'JAN-CW-5D21/ MASE IN U.S.A./ Western Electric/ 48283 3'
Missing: Appears complete.
Finish: Colourless transparent glass/ white ceramic/ gold poles/ metallic tip/ grey and plated metal components
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Western Electric, Vacuum tube, circa 1960, Artifact no. 1992.2948, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2948.001/

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