Vacuum tube
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1966.0652.001
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- OBJECT TYPE
- DOUBLE ENDED/AMPLIFIER
- DATE
- 1927
- ARTIFACT NUMBER
- 1966.0652.001
- MANUFACTURER
- M.O. VALVE CO. LTD.
- MODEL
- S625
- LOCATION
- England
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- TUBE: GLASS, SYNTHETIC, METAL, PAPER LABEL/ CARTON: PAPER
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 12.6 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
- MO VALVE
- Country
- England
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- England
- State/Province
- Unknown
- Period
- PROBABLY 1920'S & 1930'S
- Canada
-
Unknown - Function
-
USED AS AN RF AMPLIFIER, DULL EMITTER TYPE, IN A RADIO RECEIVER - Technical
-
TYPE SAMPLE OF AN EARLY TETRODE DESIGNED BY H.J. ROUND & MANUFACTURED BY THE M.O. VALVE CO. (REF.1) - Area Notes
-
Unknown
Details
- Markings
- TUBE: STAMPED ON GLASS: 'MADE & PATENTED IN ENGLAND/ 7/ S265'/ ON AFFIXED LABEL: 'MARCONI/ MARCONI'S/ WIRELESS TELEGRAPH COMPANY/ MWTC [LOGO]'/ MOULDED IN BASES: 'M.O.V. CO. LTD.'/ CARTON: PRINTING INCUDES: 'Marconi/ Valve/ Marconi/ OPEN THIS END/ TESTED/ S625/ G. Marconi [LOGO]/ MADE IN ENGLAND/ Under one or more/ of the following/ British Letters Patent/ 230011 390266/ 369349 400334/ 226215 389170/ 223204 378994'
- Missing
- N/A
- Finish
- TUBE: UNCOLOURED GLASS/ BLACK SHELL/ PURPLE & GOLD LABEL/ CARTON: WHITE WITH PURPLE & BLACK PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
M.O. VALVE CO. LTD., Vacuum tube, 1927, Artifact no. 1966.0652, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1966.0652.001/
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