Vacuum tube

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OBJECT TYPE: power amplifier
DATE: 1935
ARTIFACT NUMBER: 1992.2937.001

MANUFACTURER: General Electric
MODEL: PJ7
LOCATION: Schenectady, New York, United States of America

More Information

General Information

Serial #: 467
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: Metal base with four metal poles/ glass dome/ metal and glass components

Dimensions

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

Length: 13.3 cm
Width: N/A
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: 5.5 cm
Volume: N/A

Lexicon

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

Manufacturer

AKA: General Electric
Country: United States of America
State/Province: New York
City: Schenectady

Context

Country: United States of America
State/Province: Maine
Period: circa 1935+
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 filament type triode designed for use as a power amplifier in commercial radio equipment.
Technical: Unknown
Area Notes: Unknown

Details

Markings: Black GE logo on base with lettering reading 'PJ-7' and "467'
Missing: Appears complete.
Finish: Colourless transparent glass/ metallic base/ plated parts/ black and metallic components
Decoration: N/A

CITE THIS OBJECT

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

General Electric, Vacuum tube, circa 1935, Artifact no. 1992.2937, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2937.001/

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