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dental x-ray tube

https://mhc.andornot.com/en/permalink/artifact430
Dates
1920
circa 1920
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004014
Description
X-ray tube which consists of a cylindrical outer tube made of plastic with a glass inner tube; within the glass tube is a heavy metal rod and a copper section; the top of the tube has a piece of cork holding two wires; the bottom of the tube has the end of the metal rod coming out of it
  2 images  
Accession Number
995004014
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Radiography, Dental -- instrumentation
MM= Radiography -- tube
Description
X-ray tube which consists of a cylindrical outer tube made of plastic with a glass inner tube;
within the glass tube is a heavy metal rod and a copper section; the top of the tube has a
piece of cork holding two wires; the bottom of the tube has the end of the metal rod coming
out of it
Number Of Parts
1
Maker
Dunlee Corporation
Site Made (City)
Bellwood
Site Made (State)
Illinois
Site Made (Country)
United States of America
Dates
1920
circa 1920
Date Remarks
1920's or 1930's
Material
metal: dark grey; brown
plastic (or laminated fabric?): brown; black
glass: clear
cork: beige
Inscriptions
Label on outside tube reads, "Dunlee X-Ray Tube Type 042 Focus T MM Anode No. 12204"
Permanent Location
Storage Room 0010
0010-F4-11
Dimension Notes
Length: 21.0 cm. x Width: 6.5 cm. x Depth: 6.2 cm.
Condition Remarks
The tube was dusty and dirty; the outer coverings of the two wires leading from the inner tube
are cracked
Copy Type
Original
Reference Types
Person
Book
JPG
Reference Comments
Nancy Chisholm; "The Trail of the Invisible Light" by E.R.N. Grigg, M.D.; Bernie Ziomkiewicz; CD #4
Research Facts
Likely used as a dental x-ray tube due to its being smaller than the average x-ray tube
Images
Less detail