Vacuum tube
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1992.1140.001
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- OBJECT TYPE
- REMOTE CUTOFF/RF AMPLIFIER
- DATE
- 1934
- ARTIFACT NUMBER
- 1992.1140.001
- MANUFACTURER
- GRIGSBY-GRUNOW CO.
- MODEL
- G51S
- LOCATION
- United States of America
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
- 12.4 cm
- Width
- 4.5 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Receiving
- Sub-Category
- N/A
Manufacturer
- AKA
- GRIGSBY
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1930'S
- Canada
-
ROGERS BECAME ASSOCIATED WITH THE GRIGSBY CO. OF CHICAGO & THE ROGERS MAJESTIC CORP. LTD. WAS FORMED/ THE AMERICAN INFLUENCE ON THIS IN THE LATER ROGERS RADIO TUBES LTD. RESULTED IN ROGERS PRODUCING SPRAY-SHIELDED TUBES - Function
-
USED IN AC RADIO RECEIVERS AS A RF AND AF AMPLIFIER/ SUPER CONTROL FEATURE MAKES IT POSSIBLE TO USE IN CIRCUITS INCORPORATING AUTOMATIC VOLUME CONTROL - Technical
-
'MAJESTIC' TUBES WERE THE FIRST AND ONLY AMERICAN MANUFACTURED TUBES TO BE SPRAY-SHIELDED - Area Notes
-
Unknown
Details
- Markings
- "HOT-BRANDED" IN BASE: 'Majestic/ MADE INU.S.A./ G-51-S'
- Missing
- N/A
- Finish
- GREY SPRAY PAINTED BULB/ BLACK BASE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
GRIGSBY-GRUNOW CO., Vacuum tube, circa 1934, Artifact no. 1992.1140, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1992.1140.001/
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