Vacuum tube
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1998.0767.001
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- OBJECT TYPE
- CLASS A AMPLIFIER DIODE-TRIODE
- DATE
- Unknown
- ARTIFACT NUMBER
- 1998.0767.001
- MANUFACTURER
- MULLARD LTD.
- MODEL
- EAC91
- 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; SYNTHETIC BASE; 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
- 1.3 cm
- Height
- 5.3 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 CLASS A AMPLIFIER. - Technical
-
EXAMPLE OF DIODE-TRIODE CLASS A AMPLIFIER MADE BY MULLARD, ONE OF FIRST BRITISH INDEPENDENT MFR. OF VACUUM TUBES. - Area Notes
-
Unknown
Details
- Markings
- .1 WHITE LETTERING ON TUBE READS "Mullard/ EAC91/ BVA [LOGO]/ MADE IN/ GREAT BRITAIN" & "TG/ CV137/ KB/D"/.2 BLACK & PINK LETTERING ON BOXENDS READS "EAC91/ Mullard" & "NOT LICENSED/ FOR SALE/ IN GT. BRITAIN/ Mullard"; WHITE, BLACK & PINK LETTERING ON BOX SIDES READING "A PRODUCT OF MULLARD LTD./ Mullard/ THE MASTER VALVE"
- Missing
- COMPLETE
- Finish
- .1 COLOURLESS TRANSPARENT GLASS; METALLIC PINS; BLACK BASE/.2 BLUE EXTERIOR WITH WHITE ENDS
- Decoration
- .2 BLACK STRIPES ON TWO SIDES
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
MULLARD LTD., Vacuum tube, Unknown Date, Artifact no. 1998.0767, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1998.0767.001/
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