Vacuum tube
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Ingenium,
1998.0627.001
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- OBJECT TYPE
- DETECTOR DIODE
- DATE
- Unknown
- ARTIFACT NUMBER
- 1998.0627.001
- MANUFACTURER
- MULLARD LTD.
- MODEL
- 2B35/EA50
- LOCATION
- United Kingdom
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- .1 GLASS ENVELOPE; METAL PINS & PARTS/.2 CARDBOARD BOX
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 1.2 cm
- Height
- 4.7 cm
- 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
- United Kingdom
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- Unknown
- Canada
-
FROM COLLECTION OF VACUUM TUBES DONATED TO CSTM BY CANADIAN GOVERNMENT DEPARTMENT NATURAL RESOURCES CANADA. - Function
-
VACUUM TUBE USED AS DETECTOR, RECTIFIER, OUTPUT. - Technical
-
DETECTOR DIODE INTRODUCED BY PHILIPS IN 1939, ORIGINALLY INTENDED FOR TELEVISION USE BUT WAS PRODUCED IN LARGE NUMBERS BY MULLARD DURING WWII FOR MILITARY USE UNDER RCAF TYPE NO. VR92. MULLARD WAS ONE OF FIRST BRITISH INDEPENDENT MFR. OF VACUUM TUBES. - Area Notes
-
Unknown
Details
- Markings
- .1 WHITE LETTERING ON TUBE READS "2B35" & "Mullard/ EA50/ MADE IN/ GT. BRITAIN"/.2 BLACK & RED LETTERING ON BOX END READS "Mullard/ 2B35/ EA50/ Made in Gt. Britain"; PINK, BLACK & WHITE LETTERING ON BOX SIDES READS "PRODUCT OF MULLARD LTD./ Mullard/ THE MASTER VALVE"
- Missing
- COMPLETE
- Finish
- .1 COLOURLESS TRANSPARENT GLASS; METALLIC PINS/.2 BLUE& BLACK EXTERIOR
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
MULLARD LTD., Vacuum tube, Unknown Date, Artifact no. 1998.0627, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1998.0627.001/
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