Vacuum tube
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1994.0249.001
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- OBJECT TYPE
- SODION/LOW MU/DETECTOR
- DATE
- 1923–1924
- ARTIFACT NUMBER
- 1994.0249.001
- MANUFACTURER
- Connecticut Telephone & Electric Co.
- MODEL
- D21
- LOCATION
- Meriden, Connecticut, 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
- 9.6 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
- Connecticut
- Country
- United States of America
- State/Province
- Connecticut
- City
- Meriden
Context
- Country
- United States of America
- State/Province
- Unknown
- Period
- 1920'S
- Canada
-
Unknown - Function
-
USED AS A DETECTOR IN EARLY RADIO RECEIVERS - Technical
-
EXAMPLE OF A DOUBLE ENVELOPE TUBE DESIGN DEVELOPED BY DR. H.P. DONLE WHILE AT CONNECTICUT TEL. & ELEC. IT WAS AN ATTEMPT TO PRODUCE A TUBE THAT WOULD NOT INFRINGE EITHER THE DEFOREST OR FLEMMING TUBE PATENTS - Area Notes
-
Unknown
Details
- Markings
- ON GLASS: 'Sodion/ D-21'
- Missing
- N/A
- Finish
- BLACK BASE/ RED PRINTING ON GLASS
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Connecticut Telephone & Electric Co., Vacuum tube, between 1923–1924, Artifact no. 1994.0249, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1994.0249.001/
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