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,
1966.0426.001
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
- AF RF AMPLIFIER/AIR-COOLED
- DATE
- 1944
- ARTIFACT NUMBER
- 1966.0426.001
- MANUFACTURER
- Western Electric
- MODEL
- 331A
- 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
- GLASS/ METAL/ CERAMIC/ SYNTHETIC/ CARDSTOCK/ FIBRE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 20.5 cm
- Width
- 5.8 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Transmitting
- Sub-Category
- N/A
Manufacturer
- AKA
- Western Electric
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Worldwide
- State/Province
- Unknown
- Period
- IN ORIGINAL SEALED BOX BUT MADE FOR US NAVY DURING WWII
- Canada
-
Unknown - Function
-
INTENDED FOR CLASS-B AF WHERE THE VARIABLE MU ALLOWED THE PRODUCTION OF HIGH OUTPUT WITH MINIMUM DISTORTION; ALSO AS AN RF AMPLIFIER OR OSCILLATOR UP TO 30 MHZ AT FULL POWER/ TO BE USED AS A MODULATOR IN AIRCRAFT RADIO TRANSMITTERS - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- STAMPED ON BASE: 'WESTERN ELECTRIC/ MADE IN USA/ 331A'/ PRINTED ON BOX: 'U.S. NAVY/ TUBE 311A/ CONT. NXSS 24961/ WESTERN ELECTRIC/ ACCEPTED OCT 1944'/ ON BOX TAPE: 'Western Electric/ 331-a/ VACUUM TUBE/ MADE IN U.S.A.'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ WHITE CERAMIC INSERT/ UNFINISHED BRASS BASE/ BEIGE CARTON WITH BLUE PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Western Electric, Vacuum tube, 1944, Artifact no. 1966.0426, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1966.0426.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This



































































































