Vacuum tube

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Ingenium, 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://collection.ingeniumcanada.org/en/id/1977.0905.001/

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