Vacuum tube
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1976.0796.001
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- OBJECT TYPE
- POWER AMPLIFIER
- DATE
- 1940–1949
- ARTIFACT NUMBER
- 1976.0796.001
- MANUFACTURER
- Sylvania
- MODEL
- 7C5E
- 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
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 7.7 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
- PROBABLY 1940'S & 1950'S
- Canada
-
Unknown - Function
-
USED AS A POWER AMPLIFIER IN A RADIO RECEIVER - Technical
-
'LOKTAL' TUBES WERE THE 1ST TYPE IN WHICH THE BAKELITE BASE WAS DISPENSED WITH & THE LEAD OUT WIRES FORMED THE CONNECTING PINS. THIS PROVIDED BETTER PERFORMANCE AT HIGHER RADIO FREQUENCIES. THE CENTRAL METAL SPIGOT PROVIDED AN EARTH CONNECTION, LOCKED THE TUBE IN THE SOCKET, & PROVIDED A MEANS OF INDEXING (REF.1). - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON GLASS: '7C5E/ [?]HILCO/ [?]/ [?]OKT/ [?]DE IN U.S.[?]/ WHEN RE[?]/ TUBE'
- Missing
- 2 PINS
- Finish
- UNCOLOURED GLASS
- 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. 1976.0796, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1976.0796.001/
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