Vacuum tube
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1971.0643.001
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- OBJECT TYPE
- FULL WAVE/HIGH VACUUM
- DATE
- 1927–1933
- ARTIFACT NUMBER
- 1971.0643.001
- MANUFACTURER
- ROGERS RADIO TUBES LTD.
- MODEL
- 280
- LOCATION
- Toronto, Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL/ SYNTHETIC
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 13.5 cm
- Width
- 5.4 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
- ROGERS
- Country
- Canada
- State/Province
- Ontario
- City
- Toronto
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
MFG. IN CANADA - Function
-
USED AS A RECTIFIER IN RADIO RECEIVERS HAVING SEVERAL TUBES - Technical
-
FIRST RECTIFYING TUBE TO USE AN OXIDE-COATED FILAMENT. THIS GREATLY INCREASED EMMISSION WITH NO INCREASE IN FILAMENT CONSUMPTION - Area Notes
-
Unknown
Details
- Markings
- PRESSED IN BASE: 'Rogers/ 280'
- Missing
- N/A
- Finish
- UNCOLORED GLASS/ BLACK BASE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
ROGERS RADIO TUBES LTD., Vacuum tube, circa 1927–1933, Artifact no. 1971.0643, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1971.0643.001/
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