Vacuum tube
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1977.0905.001
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- OBJECT TYPE
- 9 INCH SQ./MAGNETICALLY DEFLECTED
- DATE
- 1965
- ARTIFACT NUMBER
- 1977.0905.001
- MANUFACTURER
- RADIO VALVE CO.
- MODEL
- Unknown
- LOCATION
- Toronto, Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS ENVELOPE; BAKELITE BASE WITH TIN PLATED PINS; CATHODE COMPOSED OF NICKEL TUBE, RARE EARTHS & NICHROME FILAMENT. MOST INTERNAL PARTS NICKEL; PHOSPHORSCREEN.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 20.0 cm
- Width
- 15.0 cm
- Height
- 27.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Radar
- Sub-Category
- N/A
Manufacturer
- AKA
- RADIO VALVE
- Country
- Canada
- State/Province
- Ontario
- City
- Toronto
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- THIS TYPE OF TUBE USED C. 1965-1975. CRTS IN GENERAL USED IN EARLY 1930S TO PRESENT (1998).
- Canada
-
Unknown - Function
-
TO DISPLAY ALTERNATING SIGNALS ON THE FACE PLATE OF THE TUBE. - Technical
-
EXAMPLE OF SQUARE FORMAT CRT TUBE. CRTS ARE USED AS DISPLAY UNITS IN OSCILLOSCOPES, COMPUTER MONITORS, TV SETS; EVEN ENGINE ANALYZERS FOR GARAGE MECHANICS. THIS TUBE PROBABLY CAME FROM A 1960S B&W TV, BEFORE BECOMING PART OF AN EXPERIMENT. (AS PER MR. BLANCHETT) - Area Notes
-
Unknown
Details
- Markings
- " Marconi/ RADIOTRON/ [logo] " & "J6" printed in orange on tube base. Decal on tube reads " WARNING- HANDLE WITH EXTREME CARE/ THE WALLS OF THIS TUBE ARE UNDER GREAT FORCE DUE TO THE HIGH VACUUM WHICH THEY CONTAIN. BREAKAGE OF/ THE TUBE MAY CAUSE INJURY FROM FLYING GLASS FRAGMENTS. DO NOT [illegible] TUBE. USE ONLY/ MODERATE PRESSURE WHEN INSERTING INTO [illegible]. POSSIBLE DANGER OF PERSO[NAL INJURY]/ PROLONGED EXPOSURE AT THIS RANGE. [most remaining text incomplete or illegible]. " C " cast in raised print on glass tube, below warning decal.
- Missing
- N/A
- Finish
- BLACK BAKELITE BASE. BLACK CONDUCTIVE MATERIAL ON CURVED ENVELOPE. CLEAR GLASS NECK; FINELY WRINKLED, LIGHT GREY TUBE FACE BELOW CLEAR GLASS.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
RADIO VALVE CO., Vacuum tube, circa 1965, Artifact no. 1977.0905, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1977.0905.001/
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