Vacuum tube
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1994.0254.001
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- OBJECT TYPE
- LOW MU/DETECTOR/AMPLIFIER
- DATE
- 1926
- ARTIFACT NUMBER
- 1994.0254.001
- MANUFACTURER
- KELLOGG SWITCHBOARD & SUPPLY CO.
- MODEL
- 401
- LOCATION
- Chicago, Illinois, 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/ SYNTHETIC/ METAL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 13.1 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
- Receiving
- Sub-Category
- N/A
Manufacturer
- AKA
- KELLOGG
- Country
- United States of America
- State/Province
- Illinois
- City
- Chicago
Context
- Country
- North America
- State/Province
- Unknown
- Period
- LATE 1920'S
- Canada
-
THIS IS THE U.S. VERSION OF THE ROGERS AC TUBE IN CANADA - Function
-
USED AS A DETECTOR OR AMPLIFIER IN EARLY AC OPERATED RADIO RECEIVERS (FILAMENT COULD BE OPERATED ON AC) - Technical
-
KELLOGG STARTED MAKING AC TUBES FOR MC CULLOUGH AND LATER PUT OUT THE SAME TUBES UNDER THEIR OWN NAME (REF.2). THIS TUBE IS ONE OF THE LATER ONES. - Area Notes
-
Unknown
Details
- Markings
- HOT-BRANDED IN SHELL: 'KELLOGG/ TYPE 401/ AC TUBE'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ BLACK SHELL & TOP
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
KELLOGG SWITCHBOARD & SUPPLY CO., Vacuum tube, circa 1926, Artifact no. 1994.0254, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1994.0254.001/
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