Vacuum tube
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1974.0039.001
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- OBJECT TYPE
- SPARK GAP/ARGON-MERCURY
- DATE
- 1940–1946
- ARTIFACT NUMBER
- 1974.0039.001
- MANUFACTURER
- ROGERS RADIO TUBES LTD.
- MODEL
- REL21
- LOCATION
- Unknown
More Information
General Information
- Serial #
- A66091
- 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
- ROGERS
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- WW II
- Canada
-
WAS MANUFACTURED BY RESEARCH ENTERPRISES LTD. WAS A MANUFACTURING OFFSHOOT OF THE NRC LOCATED IN TORONTO THAT MADE RADAR AND RELATED EQUIPMENT DURING WW II - Function
-
USED AS A PROTECTIVE SWITCH IN RADAR UNITS (SEE TECHNICAL FIELD) FOR TANSMIT AND RECEIVE SWITCHING. - Technical
-
A TRANSMIT-RECEIVE TUBE WITH TUNGSTEN SPARK-GAP ELECTRODES IN AN ATMOSPHERE OF ARGON AND MERCURY VAPOUR. THE BRITISH USED IT THE CHL RADAR & TYPE 291 AIR-SURFACE WARNING SET. CANADA USED IN THE THE BC-1188A UNIT OF SCR-636A. - Area Notes
-
Unknown
Details
- Markings
- ON TUBE: 'REL/ R [INSIDE DRAWING OF MAPLE LEAF]'/ BELOW: 'TYPE 21'/ ON SIDE: 'A66091'/ ON BOX: 'V.I. 507/ 10E/467/ REL/R [IN MAPLE LEAF]/ [?] 21'/ ON SIDE: 'MANUFACT[?] IN CANADA/ BY/ROGER RADIO TUBES LTD.'
- Missing
- N/A
- Finish
- Unknown
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
ROGERS RADIO TUBES LTD., Vacuum tube, between 1940–1946, Artifact no. 1974.0039, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1974.0039.001/
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