Vacuum tube
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1970.0491.001
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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SHOWS TECHNOLOGY USED IN EARLY TV PRODUCTION/ SUPERCEDED BY THE MODEL 3A - Area Notes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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