Vacuum tube
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1969.0851.001
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- OBJECT TYPE
- RF AMPLIFIER/HIGH VACUUM
- DATE
- 1918
- ARTIFACT NUMBER
- 1969.0851.001
- MANUFACTURER
- Ediswan
- MODEL
- R5
- LOCATION
- England
More Information
General Information
- Serial #
- 1151
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS ENVELOPE/ NICKLE ANODE/ MOLYBDENUM WIRE GRID/ TUNGSTEN FILAMENT/ SYNTHETIC BASE/ METAL CAP
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 8.3 cm
- Width
- 3.2 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
- Europe
- State/Province
- Unknown
- Period
- WW I
- Canada
-
Unknown - Function
-
FOR RF AMPLIFICATION IN A RADIO RECEIVER - Technical
-
FINAL DEVELOPMENT OF HIGH-VACUUM RECEIVING VALVES OF THE R TYPE FOR THE BRITISH NAVAL SERVICES DURING WWI/ RATIO OF DIAM. TO LENGTH OF ANODE WAS MADE GREATER TO REDUCE THE ANODE-GRID CAPACITANCE - Area Notes
-
Unknown
Details
- Markings
- ETCHED ON GLASS: 'PATTERN NO. 5197/ VALVE/ NO. R.5/ SERIAL NO. 1151/ ROYAL/ EDISWAN/ [DRAWING OF ANCHOR]'/ STAMPED ONBASE: 'A/ TOP/ G'
- Missing
- From CA of 02/05/1998 by Pat Montero: No - Complete
- Finish
- Unknown
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Ediswan, Vacuum tube, circa 1918, Artifact no. 1969.0851, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0851.001/
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