Vacuum tube
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1976.0119.001
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- OBJECT TYPE
- VARIABLE MU/CLASS A RF AMPLIFIER
- DATE
- 1920–1929
- ARTIFACT NUMBER
- 1976.0119.001
- MANUFACTURER
- Deforest Crosley
- MODEL
- 235A
- 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/ SYNTHETIC/ METAL/ PAPER LABEL
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
- 3.5 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
- Deforest
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
USED AS AN RF AMPLIFIER IN A RADIO RECEIVER - Technical
-
TYPE SAMPLE OF A RECEIVING TETRODE OF THE 1920'S - Area Notes
-
Unknown
Details
- Markings
- LABEL AFFIXED TO BULB READS: 'DEFOREST CROSLEY 235A'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ BLACK BASE/ BLUE, RED & WHITE LABEL
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Deforest Crosley, Vacuum tube, circa 1920–1929, Artifact no. 1976.0119, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1976.0119.001/
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