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,
1969.0503.001
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
- SPARK GAP/ARGON-MERCURY
- DATE
- 1940–1946
- ARTIFACT NUMBER
- 1969.0503.001
- MANUFACTURER
- RESEARCH ENTERPRISES LTD.
- MODEL
- REL21
- LOCATION
- Unknown
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
- 5.4 cm
- Width
- 3.5 cm
- Height
- 1.9 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Radar
- Sub-Category
- N/A
Manufacturer
- AKA
- REL
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- WWII
- Canada
-
DEVELOPED AND MADE IN CANADA FOR USE IN RADAR EQUIPMENT DURING WWII - Function
-
USED AS A PROTECTIVE SWITCH IN RADAR UNITS (SEE TECHNICAL FIELD) FOR TRANSMIT AND RECEIVE SWITCHING. - Technical
-
A TRANSMIT-RECEIVE TUBE WITH TUNCSTEN SPARK-GAP ELECTRODES IN AN ATMOSPHERE OF ARGON AND MERCURY VAPOUR. THE BRITISH USED IT IN THE CHL PADAR & TYPE 291 AIR-SURFACE WARNING SET. CANADA USED IT IN THE BC-1188A UNIT OF SCR-636A. - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON TUBE: 'REL/ R [INSIDE MAPLE LEAF DRAWING]'/ BELOW: 'TYPE 21'
- Missing
- N/A
- Finish
- Unknown
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
RESEARCH ENTERPRISES LTD., Vacuum tube, between 1940–1946, Artifact no. 1969.0503, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0503.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
1969.0503.001
