Vacuum tube
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1966.0332.001
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- OBJECT TYPE
- DETECTOR/AMPLIFIER
- DATE
- 1926–1927
- ARTIFACT NUMBER
- 1966.0332.001
- MANUFACTURER
- Canadian General Electric Co.
- MODEL
- 227A
- LOCATION
- Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- PAPERSTOCK BOX/ GLASS ENVELOPE/ METAL & SYNTHETIC WORKING PARTS/ SYNTHETIC BASE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 5.8 cm
- Width
- 5.7 cm
- Height
- 13.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Receiving
- Sub-Category
- N/A
Manufacturer
- AKA
- General Electric
- Country
- Canada
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
A CANADIAN MADE AC TUBE THAT WAS A VARIANT OF A U.S. TUBE - Function
-
TO ALLOW FOR LOW GRADE AMPLIFICATION & DETECTION - Technical
-
FIRST TUBE THAT FILAMENT COULD BE OPERATED ON ALTERNATING CURRENT/ ONE OF THE FIRST TUBES TO USE A HEATER (FILAMENT) - Area Notes
-
Unknown
Details
- Markings
- TUBE: TOP- 'GENERAL ELECTRIC RADIOTRON/ GE 227A/ [LOGO]'/ BOX: PRINTING INCLUDES: '[LOGO]/ GENERAL/ ELECTRIC/ RADIOTRON/ GE-227A/ DETECTOR and AMPLIFIER/ A.C. HEATER/ HEATER VOLTS (A.C.) 2.5/ HEATER AMPERES 1.75/ PLATE VOLTS 180/ (MAXIMUM)/ CANADIAN/ GENERAL ELECTRIC CO/ Limited'/ 'PATENTED/1914 1920 1925/ 1915 1921 1926/ 1916 1922 1927/ 1917 1923 1928/ 1919 1924'
- Missing
- N/A
- Finish
- GREEN, BLACK & WHITE PRINTING ON BOX/ UNCOLOURED GLASS/ BLACK BASE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Canadian General Electric Co., Vacuum tube, circa 1926–1927, Artifact no. 1966.0332, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1966.0332.001/
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