Vacuum tube
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1978.0446.001
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- OBJECT TYPE
- CLASS A AMP/AF OUTPUT STAGE
- DATE
- 1956
- ARTIFACT NUMBER
- 1978.0446.001
- MANUFACTURER
- Edison Swan Electric Co. Ltd.
- MODEL
- PEN25
- LOCATION
- England
More Information
General Information
- Serial #
- FA55
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL/ SYNTHETIC/ PAPER
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 8.5 cm
- Width
- 3.0 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
- Edison
- Country
- England
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- 1950'S
- Canada
-
Unknown - Function
-
USED AS A CLASS A TYPE AMPLIFIER IN THE A.F. OUTPUT STAGE OF A RADIO RECEIVER - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- STAMPED ON TUBE TOP: 'PEN25/ ES BVA p/ EDISWAN/ MADE/ IN ENGLAND'/ PRINTING ON BOX INCLUDES: 'EDISWAN/ RADIO/ VALVE/ PEN 25/ THE EDISON SWAN/ ELECTRIC CO. LTD./ MADE IN ENGLAND/ FOR/ EXPORT/ ONLY'/ STAMPED ON BOX: 'Canadian Overseas/ Telecommunication Corp./ APR 18 1956/ St. John's, N.F.'/ HANDWRITTEN INSIDE TUBE: 'FA 55'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ BLACK BASE/ TURQUOISE BOX WITH ORANGE & BLACK PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Edison Swan Electric Co. Ltd., Vacuum tube, 1956, Artifact no. 1978.0446, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1978.0446.001/
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