Vacuum tube
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1974.0051.001
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- OBJECT TYPE
- DETECTOR/AMPLIFIER/OSCILLATOR
- DATE
- 1919–1930
- ARTIFACT NUMBER
- 1974.0051.001
- MANUFACTURER
- Northern Electric Co. Ltd. of Canada
- MODEL
- 203B
- LOCATION
- Montreal, Quebec, 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/ WAX
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 10.2 cm
- Width
- 3.5 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Telephone
- Sub-Category
- N/A
Manufacturer
- AKA
- Northern Electric
- Country
- Canada
- State/Province
- Quebec
- City
- Montreal
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
MADE IN CANADA - Function
-
GENERAL PURPOSE TRIODE/ USED FOR DETECTOR, AMPLIFIER, OR LOW-POWER OSCILLATOR - Technical
-
POST WWI VERSION OF THE 203A - Area Notes
-
Unknown
Details
- Markings
- STAMPED IN METAL BASE: '203B/ MADE IN CANADA/ NORTHERN/ ELECTRIC CO/ LIMITED/ PATENTED 1916/ PATENTED 1917/ PATENTED 1920/ 3 PATS/ PATENTED 1921/ PATENTED 1922/ 3 PATS'
- Missing
- From CA of 05/01/1998 by Pat Montero: No - Complete
- Finish
- UNCOLOURED GLASS/ UNFINISHED METAL/ BLACK WAX INSERT
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Northern Electric Co. Ltd. of Canada, Vacuum tube, between 1919–1930, Artifact no. 1974.0051, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1974.0051.001/
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