Vacuum tube
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1975.0135.001
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- OBJECT TYPE
- AMPLIFIER/RADIATION COOLED
- DATE
- 1932–1959
- ARTIFACT NUMBER
- 1975.0135.001
- MANUFACTURER
- Northern Electric
- MODEL
- 270A
- LOCATION
- Montréal, Québec, Canada
More Information
General Information
- Serial #
- 381
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL/ SYNTHETIC/ CERAMIC
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 43.2 cm
- Width
- 10.2 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Transmitting
- Sub-Category
- N/A
Manufacturer
- AKA
- Northern Electric
- Country
- Canada
- State/Province
- Québec
- City
- Montréal
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
MADE IN CANADA - Function
-
USED IN PAIRS AS A GRID-MODULATED FINAL AMPLIFIER IN THE 100 WATT 12A TRANSMITTER WHICH SERVED THE BROADCAST NEEDS OF SMALL COMMUNITIES/ ALSO USED FOR BASE-STATION AIRCRAFT & POLICE TRANSMITTERS - Technical
-
CARBON-COATED MOLY GRIDS WERE USED TO REDUCE EMISSION - Area Notes
-
Unknown
Details
- Markings
- N/A
- Missing
- N/A
- Finish
- GREY COLOURED GLASS/ WHITE PORCELAIN BASE/ SPECKLED SYNTHETIC TOP
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Northern Electric, Vacuum tube, between 1932–1959, Artifact no. 1975.0135, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1975.0135.001/
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