Vacuum tube

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OBJECT TYPE
TELEVISION
DATE
1925
ARTIFACT NUMBER
1970.0491.001
MANUFACTURER
Western Electric
MODEL
2A
LOCATION
United States of America

More Information


General Information

Serial #
70939
Part Number
1
Total Parts
2
AKA
N/A
Patents
N/A
General Description
GLASS/ SYNTHETIC/ METAL

Dimensions

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

Length
11.0 cm
Width
5.9 cm
Height
N/A
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SHOWS TECHNOLOGY USED IN EARLY TV PRODUCTION/ SUPERCEDED BY THE MODEL 3A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
PRINTED ON GLASS: 'WESTERN ELECTRIC/ MADE IN U.S.A. 2-A/ 70939'
Missing
N/A
Finish
UNCOLOURED GLASS/ BLACKE BASE/ SILVER PAINT INSIDE PART OF GLASS
Decoration
N/A

CITE THIS OBJECT

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

Western Electric, Vacuum tube, circa 1925, Artifact no. 1970.0491, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1970.0491.001/

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