Vacuum tube
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Ingenium,
1976.0112.001
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- OBJECT TYPE
- MEDIUM MU/DETECTOR/AMPLIFIER
- DATE
- 1930–1939
- ARTIFACT NUMBER
- 1976.0112.001
- MANUFACTURER
- National Union
- MODEL
- 30
- 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
- GLASS/ SYNTHETIC/ METAL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 10.3 cm
- Width
- 3.8 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Receiving
- Sub-Category
- N/A
Manufacturer
- AKA
- National Union
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
USED AS A DETECTOR AND AMPLIFIER TUBE FOR BATTERY-OPERATED RADIO RECEIVERS WHERE ECONOMY OF FILAMENT-CURRENT DRAIN IS IMPORTANT - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON GLASS: '30/ MADE IN USA'/ STAMPED IN BASE: 'NATIONAL/ UNION/ V'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ BLACK BASE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
National Union, Vacuum tube, circa 1930–1939, Artifact no. 1976.0112, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1976.0112.001/
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