Vacuum tube
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1978.0790.001
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- OBJECT TYPE
- DETECTOR/AMPLIFIER
- DATE
- 1922–1925
- ARTIFACT NUMBER
- 1978.0790.001
- MANUFACTURER
- Canadian Westinghouse Co. Ltd.
- MODEL
- WD11
- LOCATION
- Hamilton, Ontario, Canada
More Information
General Information
- Serial #
- 1109
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL/ SYNTHETIC INSERT/ PAPER LABEL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 11.0 cm
- Width
- 3.2 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Receiving
- Sub-Category
- N/A
Manufacturer
- AKA
- Westinghouse
- Country
- Canada
- State/Province
- Ontario
- City
- Hamilton
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- 1920S
- Canada
-
MADE IN CANADA - Function
-
USED AS A DETECTOR & AMPLIFIER IN HOUSEHOLD RADIO RECEIVERS OPERATING FROM DRY CELLS - Technical
-
FIRST BROADCAST TYPE TUBE TO HAVE AN OXIDE-COATED FILAMENT/ WORLD'S FIRST TUBE TYPE DESIGNED FOR OPERATION FROM A SINGLE DRY CELL FOR USE IN DOMESTIC HOUSEHOLD RECEIVERS - Area Notes
-
Unknown
Details
- Markings
- ON GLASS TUBE: '[LOGO] W'/ PRINTED ON LABEL AROUND TUBE BASE: 'RADIOTRON/ TYPE WD-11/ STYLE 319533/PATENTED/ THE/ CANADIAN WESTINGHOUSE/ CO., LIMITED/ Hamilton, Ontario/ LICENSED ONLY FOR AM-/ATEUR, EXPERIMENTAL AND/ ENTERTAINMENT USE AND/ ONLY TO EXTENT INDICATED/ IN ATTACHED NOTICE'
- Missing
- BRASS COLLAR SPLIT
- Finish
- UNCOLOURED GLASS/ GOLD PAINTED BASE/ BROWN INSERT
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Canadian Westinghouse Co. Ltd., Vacuum tube, circa 1922–1925, Artifact no. 1978.0790, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0790.001/
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