Vacuum tube

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Ingenium, 1997.0800.001
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OBJECT TYPE
END-ON/14 PIN
DATE
1970
ARTIFACT NUMBER
1997.0800.001
MANUFACTURER
Unknown
MODEL
Unknown
LOCATION
England

More Information


General Information

Serial #
4261002
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
GLASS, METAL AND SYNTHETIC COMPONENTS.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
14.5 cm
Width
5.5 cm
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Physics
Category
Light & electromagnetic radiation
Sub-Category
N/A

Manufacturer

AKA
Unknown
Country
England
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Quebec
Period
THIS TUBE PRESUMABLY USED C. 1960S- MID 1970S.
Canada
USED BY DR. ROGER GHYS FOR REGULATING RADIATION DOSES TO BE GIVEN TO HIS PATIENTS AND FOR MEASURING RADIOACTIVITY IN NUCLEAR MEDICINE PROCEDURES. THIS WAS FOR LIQUID SCINTILLATION COUNTING OR IN CONJUNCTION WITH SODIUM IODIDE CRYSTALS. (REF. 1)
Function
TO DETECT LOW LIGHT LEVEL EMISSIONS.
Technical
EXAMPLE OF TYPICAL PHOTOMULTIPLIER TUBE, ONCE COMMON IN LOW LIGHT LEVEL APPLICATIONS IN ASTRONOMY, MEDICINE & PHYSICS. DEVELOPED IN THE 1920-30S TO REPLACE SELENIUM DETECTORS, THEIR USE PEAKED DURING THE 1960S-1970S. PHOTOMULTIPLIER TUBES WERE REPLACED BY MORE EFFICIENT COMPUTER CONTROLLED CCD DETECTORS IN THE 1980S.(REF.1
Area Notes
Unknown

Details

Markings
" MADE IN ENGLAND " printed on tube, on upper edge. "4261002" appears on tube, near base. "4261002" incised on base; pin numbers 1 through 14 appear in raised print on base.
Missing
NONE.
Finish
CLEAR GLASS TUBE HAS BROWN SYNTHETICBASE, AND SILVER METAL COATING AROUND SIDES OF TUBE TOP. TOP OF GLASS TUBE APPEARS TO HAVE SMOKED FINISH. SILVER METAL AND WHITE SYNTHETIC (OR POSSIBLY PORCELAIN?) COMPONENTS ARE VISIBLE WITHIN.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Unknown Manufacturer, Vacuum tube, before 1970, Artifact no. 1997.0800, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1997.0800.001/

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