Vacuum tube
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1966.0367.001
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- OBJECT TYPE
- TRIODE HEPTODE/CONVERTER
- DATE
- 1946
- ARTIFACT NUMBER
- 1966.0367.001
- MANUFACTURER
- Sylvania
- MODEL
- 7S7
- LOCATION
- United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL/ SYNTHETIC
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 6.5 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
- Sylvania
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- North America
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
USED AS A COMBINED MIXER & OSCILLATOR - Technical
-
FINAL DEVELOPMENT IN THE USA OF FREQUENCY CHANGERS/ IT IS ESSENTIALLY A TRIODE-HEXODE MODIFIED BY THE ADDITION OF A SUPPRESSOR GRID TO THE HEXODE SECTION - Area Notes
-
Unknown
Details
- Markings
- ON GLASS: 'JAN-CHS-7S7/ MADE IN U.S.A./ SYLVANIA/ 7S7'/ PRINTED ON BASE: 'E2/ MADE FOR/ CANADIAN GENERAL/ ELECTRIC CO LTD/ 64329'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ GREEN & RED PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Sylvania, Vacuum tube, circa 1946, Artifact no. 1966.0367, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1966.0367.001/
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