Vacuum tube

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Ingenium, 1992.2944.001
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OBJECT TYPE: amplifier/modulator/oscillator/transmitting
DATE: 1940
ARTIFACT NUMBER: 1992.2944.001

MANUFACTURER: Marconi Co.
MODEL: 805
LOCATION: United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: Metal 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: 20.0 cm
Width: N/A
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: 5.8 cm
Volume: N/A

Lexicon

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

Manufacturer

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

Context

Country: Canada
State/Province: Unknown
Period: circa 1940+
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 transmitting tube in telephone and telegraph equipment.
Technical: Unknown
Area Notes: Unknown

Details

Markings: Partially obscured black lettering on base reads 'Marconi [script]/ RADIO.../ LICENSED BY THE...'
Missing: Appears complete.
Finish: Colourless transparent glass/ metallic base/ metallic tip and components
Decoration: N/A

CITE THIS OBJECT

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

Marconi Co., Vacuum tube, circa 1940, Artifact no. 1992.2944, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2944.001/

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