Vacuum tube
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1969.0788.003
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- OBJECT TYPE
- POWER AMPLIFIER
- DATE
- 1929–1939
- ARTIFACT NUMBER
- 1969.0788.003
- MANUFACTURER
- NORTHERN ELECTRIC CO.
- MODEL
- R205D
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 3
- Total Parts
- 4
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS ENVELOPE/ SYNTHETIC BASE/ METAL WORKING PARTS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- N/A
- 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
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
MFG & USED IN CANADA - Function
-
USED AS AN AF AMPLIFIER IN OUTPUT STAGES WHERE MODERATE POWERS ARE REQUIRED/ MAY ALSO BE USED AS AN OSCILLATOR, MODULATOR OR RF AMPLIFIER - Technical
-
A 205A TYPE TUBE WITH A M-TYPE FLAT FILAMENT INSTEAD OF A TWISTED ONE/ FILAMENT ALSO BETTER ELECTRICALLY - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON GLASS: 'NORTHERN ELECTRIC/ COMPANY LIMITED/ R205-D/ MADE IN/ CANADA/ PATENTED 1917 1920 1921 1922 1926 1928 1929'/ ON BASE: 'CBC 8 [10 TIMES]'
- Missing
- From CA of 05/01/1998 by Pat Montero: No - Complete
- Finish
- UNCOLOURED GLASS/ BLACK BASE/ SILVER PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
NORTHERN ELECTRIC CO., Vacuum tube, circa 1929–1939, Artifact no. 1969.0788, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0788.003/
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