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,
1969.0955.001
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
- 500W OUTPUT/AIR-COOLED
- DATE
- 1940
- ARTIFACT NUMBER
- 1969.0955.001
- MANUFACTURER
- NORTHERN ELECTRIC CO. LTD.
- MODEL
- 212E
- LOCATION
- Canada
More Information
General Information
- Serial #
- 341
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL/ SYNTHETIC/ PHENOLIC BASE INSERT
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 32.0 cm
- Width
- 9.0 cm
- Height
- 31.8 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Transmitting
- Sub-Category
- N/A
Manufacturer
- AKA
- NORTHERN ELECTRIC
- Country
- Canada
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
MFG. IN CANADA - Function
-
USED AS A CLASS A OR B AF AMPLIFIER OR MODULATOR; CLASS B RF MODULATOR, CLASS C RF OSCILLATOR OR POWER AMPLIFIER/ USED IN BROADCAST TRANSMITTERS OR TRANSOCEANIC RADIO TRANSMITTERS - Technical
-
EXAMPLE OF AN EARLY TRANSMITTING TRIODE - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON BASE: 'NORTHERN ELECTRIC/ COMPANY LIMITED/ 212E/ MADE IN CANADA/ 341'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ UNFINISHED METAL/ BROWN INSERT
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
NORTHERN ELECTRIC CO. LTD., Vacuum tube, circa 1940, Artifact no. 1969.0955, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0955.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
![...](https://files.ingeniumcanada.org/items/coll/109/459/1975-0134-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/002/1969-0772-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/109/458/1975-0135-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/081/1993-0059-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/471/1969-1008-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/104/316/1972-0042-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/043/1993-0090-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/910/1966-0426-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/970/1969-0780-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/334/1992-1093-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/082/1993-0058-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/333/1992-1094-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/306/1992-1121-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/991/1969-0775-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/307/1992-1120-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/353/1969-1493-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/009/1993-0119-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/078/1993-0062-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/954/1969-0793-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/753/1969-0857-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/668/1989-0182-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/354/1969-1492-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/386/1969-1460-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/166/734/1992-2947-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/575/1966-0637-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/428/1998-0810-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/99/985/1971-0634-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/939/1969-0804-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/614/1974-0044-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/873/1969-0491-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/959/1969-0788-004-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/732/1969-0874-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/102/764/1972-0583-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/109/449/1975-0145-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/104/293/1972-0064-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/945/1969-0803-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/166/731/1992-2944-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/075/1993-0065-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/625/1974-0037-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/352/1969-1494-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/49/314/1985-0665-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/617/1974-0042-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/618/1974-0041-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/605/1974-0051-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/758/1969-0852-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/961/1969-0788-002-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/962/1969-0788-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/960/1969-0788-003-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/58/316/1988-0354-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/97/124/1970-1510-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/99/986/1971-0633-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/480/1989-0283-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/111/003/1976-0576-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/007/1969-0767-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/104/292/1972-0065-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/104/312/1972-0046-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/387/1969-1459-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/102/267/1972-0897-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/085/1993-0055-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/891/1969-0484-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/966/1969-0784-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/109/143/1975-0246-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/107/616/1974-0043-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/904/1966-0432-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/666/1989-0184-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/356/1969-1490-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/99/892/1971-0667-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/351/1969-1495-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/953/1969-0794-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/102/305/1972-0870-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/102/303/1972-0872-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/104/302/1972-0056-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/68/083/1993-0057-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/40/049/1981-1659-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/100/181/1971-0521-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/39/766/1981-1845-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/660/1989-0189-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/109/305/1975-0206-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/51/090/1986-0585-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/104/291/1972-0066-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/99/979/1971-0640-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/526/1966-0666-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/166/728/1992-2941-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/335/1992-1092-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/339/1992-1088-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/108/248/1975-0720-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/43/327/1982-0748-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/85/778/1966-0515-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/65/295/1992-1132-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/43/320/1982-0754-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/59/665/1989-0185-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/93/785/1969-1279-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/109/146/1975-0244-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/760/1969-0850-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/108/654/1975-0512-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/50/881/1986-0743-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/95/747/1969-0586-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/952/1969-0795-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/94/946/1969-0802-001-aa-cs.jpeg)
![...](https://files.ingeniumcanada.org/items/coll/77/541/1998-0744-001-aa-cs.jpeg)