Vacuum tube
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1966.0644.001
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- OBJECT TYPE
- TRIODE-HEXODE CONVERTER
- DATE
- 1939
- ARTIFACT NUMBER
- 1966.0644.001
- MANUFACTURER
- MULLARD WIRELESS SERVICE CO. LTD.
- MODEL
- ECH35
- 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/ SYNTHETIC/ CARDSTOCK
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
- 3.4 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
- MULLARD
- Country
- England
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Worldwide
- State/Province
- Unknown
- Period
- PROBABLY 1940'S
- Canada
-
DISTRIBUTED BY A CANADIAN CO. - Function
-
USED AS AN OSCILLATOR AND MIXER IN A RADIO RECEIVER - Technical
-
ONE OF THE 'RED E' SERIES INTRODUCED BY MULLARD IN THE UK. THE TUBES HAD A 6.3V HEATER & WERE PAINTED RED TO DISTINGUISH THEM FROM THE EARLIER 4V SERIES. THEY MARKED A TURNING POINT IN EUROPEAN TUBE DESIGN BECAUSE OF THE GREATLY REDUCED PHYSICAL SIZES OF ALL TYPES EXCEPT OUTPUT TUBES & RECTIFIERS (REF.2) - Area Notes
-
Unknown
Details
- Markings
- TUBE: PRINTED ON ENVELOPE: 'Mullard/ ECH35/ BVA/ BRITISH MADE/ DA'/ PRINTED ON BASE: 'LR1/ B50'/ CARTON: PRINTING INCLUDES: 'Westinghouse/ ECH 35/ ELECTRONIC/ TUBE/ YOU CAN BE SURE/...IF IT'S/ Westinghouse/ Westinghouse/ ELECTRONIC TUBE/ CANADIAN WESTINGHOUSE CO. LTD./ ELECTRONIC TUBE DIVISION/ HAMILTON CANADA'
- Missing
- N/A
- Finish
- TUBE: PAINTED RED WITH A BLACKSHELL/ CARTON: BLUE, ORANGE & WHITE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
MULLARD WIRELESS SERVICE CO. LTD., Vacuum tube, after 1939, Artifact no. 1966.0644, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1966.0644.001/
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