Vacuum tube
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1998.0610.001
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- OBJECT TYPE
- PENTAGRID CONVERTER/HEPTODE
- DATE
- Unknown
- ARTIFACT NUMBER
- 1998.0610.001
- MANUFACTURER
- RCA
- MODEL
- 12BA7
- LOCATION
- Unknown
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
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 2.1 cm
- Height
- 6.6 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
- RCA
- Country
- Unknown
- 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. MFD. AND/OR DISTRIBUTED BY CANADIAN COMPANY. - Function
-
MINIATURE TYPE VACUUM TUBE USED AS CONVERTER IN AC/DC SUPERHETERODYNE CIRCUITS, ESPECIALLY THOSE FOR BROADCAST BAND. - Technical
-
EXAMPLE OF PENTAGRID CONVERTER VACUUM TUBE. - Area Notes
-
Unknown
Details
- Markings
- .1 WHITE LETTERING ON TUBE READS "12BA7", "R/ MXX14" & "RCA/ELECTRON/ TUBE/ RCA [LOGO]"/.2 WHITE & BLACK LETTERING ON BOX END READS "RCA/ 12BA7"; WHITE LETTERING ON BOX SIDES READS "RADIOTRON/ ELECTRON/ TUBE", "RCA VICTOR/ COMPANY, LTD./ Montreal, Canada", "World's Best-Known/ ELECTRON TUBE", "WARRANTED/ AGAINST DEFECTS/ IN WORKMANSHIP,/ MATERIALS/ AND CONSTRUCTION", "The Fountainhead of/ Modern/ Tube Development is/ RCA", WITH PATENT INFO. ON END FLAP
- Missing
- .2 FLAP PIECE DETACHED
- Finish
- .1 COLOURLESS TRANSPARENT GLASS; METALLIC PINS/.2 RED & BLACK EXTERIOR
- Decoration
- .2 "HIS MASTER'S VOICE" LOGO ON 4 SIDES OF BOX
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
RCA, Vacuum tube, Unknown Date, Artifact no. 1998.0610, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1998.0610.001/
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