Vacuum tube
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1969.0541.001
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- OBJECT TYPE
- TRANSMIT/RECEIVE SWITCH
- DATE
- 1942
- ARTIFACT NUMBER
- 1969.0541.001
- MANUFACTURER
- Sylvania
- MODEL
- 721A
- LOCATION
- United States of America
More Information
General Information
- Serial #
- 1064
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 7.7 cm
- Width
- 3.9 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Radar
- Sub-Category
- N/A
Manufacturer
- AKA
- Sylvania
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- WWII
- Canada
-
Unknown - Function
-
USED IN PULSED RADAR SYSTEMS AT 5-BAND FREQUENCIES NEAR 3000 MHZ/ USED IN SHUNT BRANCHING CIRCUITS/ USED AS EITHER A RECEIVER-DISCONNECT OR TRANSMITTER-DISCONNECT DEVICE - Technical
-
THE 721A WAS AN ESSENTIAL PART OF THE RADAR EQUIPMENT ON ALMOST EVERY MAJOR SHIP IN THE US FLEET - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON GLASS: 'SYLVANIA/ 721-A/ MADE IN U.S.A./ 1064'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS WITH ORANGE PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Sylvania, Vacuum tube, circa 1942, Artifact no. 1969.0541, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0541.001/
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