Vacuum tube
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1988.0354.001
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- OBJECT TYPE
- AMPLIFIER
- DATE
- 1919–1922
- ARTIFACT NUMBER
- 1988.0354.001
- MANUFACTURER
- NORTHERN ELECTRIC CO. LTD.
- MODEL
- 208A
- LOCATION
- Canada
More Information
General Information
- Serial #
- 3723
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS ENVELOPE/ METAL WORKING PARTS/ SHEET NICKEL BASE/ WAX INSERT IN BASE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 5.8 cm
- Height
- 10.6 cm
- 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
- Canada
- State/Province
- Ontario
- Period
- PROBABLY IN 1940'S - DONOR'S FATHER PROVIDED PUBLIC P.A. SYSTEMS FOR WAR BOND DRIVES
- Canada
-
MADE & USED IN CANADA/ TUBE MADE ONLY AT NORTHERN ELECTRIC & NOT AT WESTERN ELECTRIC - Function
-
AUDIO AMPLIFIER USED IN P.A. SYSTEMS OF THE PERIOD. - Technical
-
EXAMPLE OF EARLY PUBLIC ADDRESS SYSTEM AMPLIFIER TUBE - Area Notes
-
Unknown
Details
- Markings
- ENGRAVED ON SIDE OF BASE: '208A/ MADE IN CANADA/ NORTHERN ELECTRIC CO./ LIMITED/ PATENTED 1916/ PATENTED 1917/ PATENTED 1920/ 3 PATS/ PATENTED 1921/ PATENTED 1922/ 3 PATS'/ ON GLASS: '3723'
- Missing
- From CA of 05/01/1998 by Pat Montero: No - Complete
- Finish
- UNCOLOURED GLASS/ NATURAL FINISH METAL/ RED WAX
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
NORTHERN ELECTRIC CO. LTD., Vacuum tube, circa 1919–1922, Artifact no. 1988.0354, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1988.0354.001/
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