Vacuum tube
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Ingenium,
1969.0490.001
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- OBJECT TYPE
- OSCILLATOR/DETECTOR
- DATE
- 1905
- ARTIFACT NUMBER
- 1969.0490.001
- MANUFACTURER
- Royal Ediswan
- MODEL
- FLEMING
- LOCATION
- England
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 10.8 cm
- Width
- 2.2 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
- Edison
- Country
- England
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
USED TO RECTIFY LOCALLY PRODUCED OSCILLATIONS IN A RADIO RECEIVER AS A DETECTOR OF WEAK SIGNALS PRESENT IN A RECEIVING AERIAL - Technical
-
FIRST DIODE TUBE/ VERY EARLY OSCILLATION VALVE USED AS A DETECTOR IN THE MARCONI-FLEMING VALVE RECEIVER/ IN A PRACTICAL SENSE IT CONTRIBUTED LITTLE TO WIRELESS TELEGRAPHY AT THE TIME/ IT WAS SOON OVERSHADOWED BY THE DE FOREST AUDION - Area Notes
-
Unknown
Details
- Markings
- N/A
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ UNFINISHED METAL
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Royal Ediswan, Vacuum tube, circa 1905, Artifact no. 1969.0490, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0490.001/
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