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,
1998.0769.001
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
- FREQUENCY CHANGER TRIODE-PENTODE
- DATE
- Unknown
- ARTIFACT NUMBER
- 1998.0769.001
- MANUFACTURER
- MULLARD
- MODEL
- ECF80
- LOCATION
- United Kingdom
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- .1 GLASS ENVELOPE; METAL PINS & PARTS/.2 CARDBOARD BOX
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 2.0 cm
- Height
- 5.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Receiving
- Sub-Category
- N/A
Manufacturer
- AKA
- MULLARD
- Country
- United Kingdom
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- Unknown
- Canada
-
FROM COLLECTION OF VACUUM TUBES DONATED TO CSTM BY CANADIAN GOVERNMENT DEPARTMENT NATURAL RESOURCES CANADA. - Function
-
COMBINED TRIODE & HIGH SLOPE RF PENTODE WITH SEPARATE CATHODES, PRIMARILY INTENDED FOR USE AS FREQUENCY CHANGER UP TO 220 MC/S. - Technical
-
EXAMPLE OF COMBINED TRIODE & HIGH SLOPE RF PENTODE MADE BY MULLARD, ONE OF FIRST BRITISH INDEPENDENT MFR. OF VACUUM TUBES. - Area Notes
-
Unknown
Details
- Markings
- .1 WHITE LETTERING ON TUBE READS"Mullard [LOGO]/ ECF804/ BVA [LOGO]/ MADE IN/ GREAT BRITAIN"/.2 BLUE LETTERING ON BOX END READS "WATKINS/ MODEL" WITH HANDWRITTEN "ECF80"
- Missing
- COMPLETE
- Finish
- .1 COLOURLESS TRANSPARENT GLASS; METALLIC PINS/.2 BLUE EXTERIOR WITH ONE WHITE END
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
MULLARD, Vacuum tube, Unknown Date, Artifact no. 1998.0769, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1998.0769.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
![...](https://files.ingeniumcanada.org/items/coll/77/495/1998-0767-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/473/1998-0778-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/735/1998-0647-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/463/1998-0783-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/747/1998-0641-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/733/1998-0648-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/625/1998-0702-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/475/1998-0777-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/559/1998-0735-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/466/1999-0251-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/462/1999-0253-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/739/1998-0645-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/517/1998-0756-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/775/1998-0627-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/637/1998-0696-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/497/1998-0766-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/537/1998-0746-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/789/1998-0620-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/489/1998-0770-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/595/1998-0717-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/749/1998-0640-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/71/422/1995-0922-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/71/438/1995-0906-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/511/1998-0759-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/667/1998-0681-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/465/1998-0782-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/681/1998-0674-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/761/1998-0634-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/529/1998-0750-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/547/1998-0741-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/521/1998-0754-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/64/886/1992-1378-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/771/1998-0629-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/543/1998-0743-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/653/1998-0688-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/807/1998-0611-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/709/1998-0660-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/460/1999-0254-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/695/1998-0667-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/787/1998-0621-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/451/1998-0789-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/441/1998-0797-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/611/1998-0709-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/759/1998-0635-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/374/1992-1072-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/697/1998-0666-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/493/1998-0768-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/801/1998-0614-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/520/1999-0224-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/509/1998-0760-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/729/1998-0650-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/428/1998-0810-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/499/1998-0765-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/569/1966-0642-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/515/1998-0757-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/691/1998-0669-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/601/1998-0714-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/619/1998-0705-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/494/1999-0237-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/484/1999-0242-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/464/1999-0252-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/727/1998-0651-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/669/1998-0680-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/472/1999-0248-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/682/1966-0562-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/597/1998-0716-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/567/1998-0731-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/569/1998-0730-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/713/1998-0658-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/721/1998-0654-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/675/1998-0677-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/643/1998-0693-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/524/1999-0222-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/028/1993-0100-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/69/116/1994-0295-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/541/1998-0744-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/563/1998-0733-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/731/1998-0649-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/565/1998-0732-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/480/1999-0244-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/671/1998-0679-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/527/1998-0751-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/71/452/1995-0892-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/693/1998-0668-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/605/1998-0712-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/553/1998-0738-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/705/1998-0662-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/593/1998-0718-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/519/1998-0755-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/516/1999-0226-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/513/1998-0758-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/665/1998-0682-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/79/530/1999-0219-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/779/1998-0625-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/434/1998-0804-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/71/457/1995-0887-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/507/1998-0761-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/679/1998-0675-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/487/1998-0771-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/647/1998-0691-001-aa-cs.jpeg)