Vacuum tube
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1992.1119.001
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- OBJECT TYPE
- HALF WAVE/HIGH VACUUM
- DATE
- 1927
- ARTIFACT NUMBER
- 1992.1119.001
- MANUFACTURER
- Cunningham
- MODEL
- CX381
- 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/ PAPER
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 15.1 cm
- Width
- 6.0 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
- Cunningham
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- North America
- State/Province
- Unknown
- Period
- C. 1930'S
- Canada
-
Unknown - Function
-
USED TO CONVERT AC CURRENT TO DC CURRENT IN RECEIVING EQUIPMENT - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- "HOT-BRANDED" IN BASE: 'C [LOGO]/ CUNNINGHAM/ CX-381'/ STAMPED ON TOP: 'C [LOGO]'/ HANDWRITTEN ON PAPER LABELS AFFIXED TO GLASS: 'Fair'/ 'O.K. 6-17-32'
- 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:
Cunningham, Vacuum tube, 1927, Artifact no. 1992.1119, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.1119.001/
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