Vacuum tube
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1969.0873.001
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- OBJECT TYPE
- HF AMPLIFIER/OSCILLATOR
- DATE
- 1913–1915
- ARTIFACT NUMBER
- 1969.0873.001
- MANUFACTURER
- MARCONI'S WIRELESS TELEGRAPH CO. LTD.
- MODEL
- CA
- LOCATION
- London, England
More Information
General Information
- Serial #
- CA 2692
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL/ SYNTHETIC/ ASBESTOS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 17.5 cm
- Width
- 5.1 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
- MARCONI
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Europe
- State/Province
- Unknown
- Period
- WW I
- Canada
-
Unknown - Function
-
USED AS A HIGH FREQUENCY AMPLIFIER AND OSCILLATOR IN 'SHORT DISTANCE' RADIO TELEPHONES - Technical
-
FIRST BRITISH DEVELOPMENT OF THE TRIODE VALVE/ DESIGNED BY H.J. ROUND AND BECAME KNOWN AS THE 'ROUND VALVE' THIS TYPEWAS A VARIANT OF THE 'N' TYPE - HAD AN EXTREMELY FINE MESH GRID & A 2.5 AMP FILAMENT, AND TOOK 200V MAX. ON THE ANODE.(REF 3) - Area Notes
-
Unknown
Details
- Markings
- ON GLASS: 'MARCONIS W.T.CO. LTD./ PAT. APPN. NO. 28413-13/ 2V-P1[?]/ CA 2692'
- Missing
- BASE APPEARS TO BE ALTERED
- Finish
- UNCOLOURED GLASS/ BLACK BASE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
MARCONI'S WIRELESS TELEGRAPH CO. LTD., Vacuum tube, circa 1913–1915, Artifact no. 1969.0873, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0873.001/
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