Vacuum tube

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Ingenium, 1989.0186.001
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OBJECT TYPE: TELEVISION
DATE: 1925
ARTIFACT NUMBER: 1989.0186.001

MANUFACTURER: Western Electric
MODEL: 2A
LOCATION: United States of America

More Information

General Information

Serial #: 110452
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: GLASS ENVELOPE/ SYNTHETIC BASE/ COPPER WIRES/ GLASS & METAL WORKING PARTS/ CARDBOARD TUBE STEEL LID & BOTTOM

Dimensions

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

Length: N/A
Width: 8.4 cm
Height: 14.9 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

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

Context

Country: Unknown
State/Province: Unknown
Period: 1920'S
Canada: Unknown
Function: TO TRANSLATE VARIATIONS IN LIGHT INTO CORRESPONDING VARIATIONS IN ELECTRICAL SIGNALS/ USED IN THE PRODUCTION OF EARLY TV SIGNALS
Technical: SHOWS TECHNOLOGY USED IN EARLY TV PRODUCTION/ SUPERCEDED BY THE MODEL 3A
Area Notes: Unknown

Details

Markings: TUBE: PRINTED ON TUBE - 'WESTERN ELECTRIC/ MADE IN U.S.A./ 110452/ 2-A'/ CONTAINER LABEL: 'Western Electric/ TRADE MARK REG. U.S. PAT. OFF./ 2-A/ PHOTOELECTRIC CELL/ MADE IN U.S.A.'/ HANDWRITTEN: 'Photo/ Tube'
Missing: N/A
Finish: TUBE: UNCOLOURED GLASS ENVELOPE PARTIALLY SILVERED/ BLACK BASE/ GREY PRINTING/ CONTAINER: BROWN WITH UNTREATED METAL TOP & BOTTOM/ LABEL WHITE WITH GREY PRINTING
Decoration: N/A

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

Western Electric, Vacuum tube, circa 1925, Artifact no. 1989.0186, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1989.0186.001/

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