Vacuum tube
Use this image
Can I reuse this image without permission? Yes
Object images on the Ingenium Collection’s portal have the following Creative Commons license:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
1992.1137.001
Permalink:
Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.
DOWNLOAD IMAGEPURCHASE THIS IMAGE
This image is free for non-commercial use.
For commercial use, please consult our Reproduction Fees and contact us to purchase the image.
- OBJECT TYPE
- DOORKNOB/UHF/SHARP CUTOFF
- DATE
- 1943–1950
- ARTIFACT NUMBER
- 1992.1137.001
- MANUFACTURER
- TUNG-SOL
- MODEL
- 717A
- 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
- 4.9 cm
- Width
- 3.3 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Radar
- Sub-Category
- N/A
Manufacturer
- AKA
- TUNG SOL
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Worldwide
- State/Province
- Unknown
- Period
- MAINLY DURING WWII
- Canada
-
Unknown - Function
-
LOW POWER APPLICATIONS AT AF, IF AND UHF FREQUENCIES/ ALSO USED AS A RADAR IF AMPLIFIER AT 30 OR 60 MHZ - Technical
-
DEVELOPED FROM PRE-WAR 386A/ HAD A LARGE DEMAND FOR REPLACEMENT PURPOSES IN GOVERNMENT EQUIPMENT - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON GLASS TOP: 'TUNG-SOL/ JAN-CTL-717A/ VT-269/ MADE IN U.S.A.'/ 'SC/ 66/ A/ JAN-CTL-717A/ VT-269 TUNG-SOL/ MADE/ IN/ U.S.A./ GJ'/ 'LICENSED ONLY TO EXTENT INDICATED ON CARTON'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ UNFINISHED METAL BASE WITH BLACK PRINTING/ DARK BROWN INSERT
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
TUNG-SOL, Vacuum tube, circa 1943–1950, Artifact no. 1992.1137, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1992.1137.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
![...](https://files.ingeniumcanada.org/items/coll/49/963/1985-0365-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/322/1988-0350-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/827/1969-0529-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/094/1986-0581-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/589/1966-0626-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/50/890/1986-0734-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/43/324/1982-0751-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/123/1986-0554-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/509/1966-0679-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/376/1969-1470-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/088/1986-0587-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/830/1969-0526-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/377/1969-1469-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/659/1989-0190-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/378/1969-1468-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/506/1999-0231-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/631/1974-0033-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/38/547/1980-0579-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/858/1966-0470-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/859/1969-0499-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/104/311/1972-0047-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/43/327/1982-0748-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/328/1992-1099-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/809/1969-0542-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/371/1969-1475-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/102/763/1972-0584-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/43/321/1982-0753-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/64/867/1992-1394-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/104/285/1972-0070-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/64/877/1992-1386-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/111/1986-0565-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/658/1989-0191-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/194/1993-0004-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/835/1969-0521-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/811/1969-0541-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/812/1969-0540-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/64/876/1992-1387-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/697/1985-0478-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/360/1969-1486-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/101/108/1971-0240-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/828/1969-0528-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/104/281/1972-0071-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/363/1969-1483-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/832/1969-0524-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/43/277/1982-0794-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/57/879/1988-0669-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/374/1969-1472-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/43/380/1982-0696-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/088/1993-0052-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/113/1986-0563-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/654/1986-0180-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/115/865/1978-0273-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/375/1969-1471-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/117/028/1979-0598-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/43/267/1982-0803-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/96/042/1969-0410-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/313/1992-1114-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/080/1986-0594-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/434/1998-0804-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/660/1989-0189-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/340/1988-0333-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/060/1986-0615-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/582/1966-0633-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/373/1992-1073-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/318/1988-0353-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/113/513/1977-0344-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/115/042/1978-0712-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/593/1966-0622-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/575/1966-0637-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/802/1969-0548-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/43/328/1982-0747-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/86/022/1966-0367-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/087/1993-0053-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/069/1986-0606-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/128/1986-0549-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/335/1992-1092-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/86/948/1967-1228-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/135/519/1986-0599-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/372/1992-1074-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/367/1969-1479-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/64/214/1992-1672-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/285/1992-1142-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/849/1969-0507-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/105/887/1973-0105-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/562/1966-0647-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/96/138/1969-0362-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/804/1969-0546-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/71/969/1995-0651-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/956/1969-0791-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/837/1969-0519-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/838/1969-0518-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/459/1998-0785-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/063/1986-0612-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/112/200/1976-0063-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/693/1998-0668-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/824/1969-0532-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/112/234/1976-0038-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/595/1992-0893-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/846/1969-0510-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/372/1969-1474-001-aa-cs.jpeg)