Vacuum tube
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1994.0272.001
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- OBJECT TYPE
- PENTAGRID CONVERTER
- DATE
- 1940–1949
- ARTIFACT NUMBER
- 1994.0272.001
- MANUFACTURER
- Sylvania
- MODEL
- 1A7GT
- LOCATION
- United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- TUBE: GLASS, METAL & SYNTHETIC/ CARTON: CARDSTOCK
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 8.1 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
- Sylvania
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1940'S & 1950'S
- Canada
-
Unknown - Function
-
USED AS A COMBINED MIXER AND OSCILLATOR IN BATTERY OPERATED SUPERHETERODYNE RADIO RECEIVERS. - Technical
-
TYPE SAMPLE OF A PENTAGRID CONVERTER - Area Notes
-
Unknown
Details
- Markings
- TUBE: ON GLASS: '1A7/ GT'/ ON SHELL: 'SYLVANIA/ MADE IN U.S.A.'/ PRINTING ON CARTON INCLUDES: 'SYLVANIA/ ELECTRONIC TUBE/ FOR RADIO, TELEVISION AND AUDIO EQUIPMENT/ SYLVANIA/ 1A7GT/ ELECTRONIC/ TUBE'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS, "CHROMED" BASE WITH YELLOW PRINTING/ CARTON: BLACK & YELLOW
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Sylvania, Vacuum tube, between 1940–1949, Artifact no. 1994.0272, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1994.0272.001/
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