Vacuum tube
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1969.1492.001
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- OBJECT TYPE
- POWER AMPLIFIER
- DATE
- 1929–1939
- ARTIFACT NUMBER
- 1969.1492.001
- MANUFACTURER
- Northern Electric
- MODEL
- R205D
- LOCATION
- Canada
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
- 11.1 cm
- Width
- 5.8 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
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
MFG. 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
-
IS ESSENTIALLY A 205A TYPE TUBE WITH A M-TYPE FLAT FILAMENT INSTEAD OF A TWISTED FILAMENT/ FILAMENT IS BETTER ELECTRICALLY THAN THE 205A - Area Notes
-
Unknown
Details
- Markings
- 'HOT BRANDED' INTO BASE: 'NORTHERN ELECTRIC/ MADE IN CANADA/ R205D'/ LABEL AFFIXED TO BASE READS: 'OFFICE/ EQPM'T./ DATE IN/ " OUT/ REASON/ HOURS'
- Missing
- From CA of 05/01/1998 by Pat Montero: No - Complete
- Finish
- UNCOLOURED GLASS/ BLACK BASE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Northern Electric, Vacuum tube, circa 1929–1939, Artifact no. 1969.1492, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1969.1492.001/
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