Vacuum tube
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1969.0486.001
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- OBJECT TYPE
- AMPLIFIER/OSCILLATOR
- DATE
- 1917–1918
- ARTIFACT NUMBER
- 1969.0486.001
- MANUFACTURER
- GEC
- MODEL
- R2
- LOCATION
- England
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- 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
- 8.3 cm
- Width
- 5.0 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
- General Electric
- Country
- England
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Europe
- State/Province
- Unknown
- Period
- WW I
- Canada
-
Unknown - Function
-
USED AS AN AMPLIFIER AND OSCILLATOR IN RADIO-TELEPHONY, MAINLY FOR MILITARY USE - Technical
-
ATTEMPT TO IMPROVE THE 'SOFT VALVE' AS THIS TYPE OF VALVE POSSESSED HIGH SENSITIVITY/ WAS BASED ON THE FRENCH 'TM' VALVE - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON GLASS: 'OSRAM/ G.E.C./ MADE IN/ ENGLAND/ R.2/ VALVE/ WIRELESS RECEIVING/ No.R. 2/ PATT. No. 8987/ A0090'/ HANDPAINTED INSIDE: '2915/ 172'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
GEC, Vacuum tube, circa 1917–1918, Artifact no. 1969.0486, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0486.001/
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