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3 records – page 1 of 1.

Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004049
Description
Timer which consists of a rounded black bakelite case with a flat round metal scale and timer (in seconds 0-12) pointer on the front; the top of the timer has a round white button which stops the x-ray exposure when at 0; the sides of the timer have grooves which enable it to be held; the bottom of…
  1 image  
Accession Number
995004049
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Radiography -- instrumentation
Description
Timer which consists of a rounded black bakelite case with a flat round metal scale and timer
(in seconds 0-12) pointer on the front; the top of the timer has a round white button which
stops the x-ray exposure when at 0; the sides of the timer have grooves which enable it to
be held; the bottom of the timer has a [?] cm electric cord coming out of it; the top back
of the timer has a metal attachment which allows it to be hung
Number Of Parts
1
Maker
Liebel-Florsheim Company
Site Made (City)
Cincinatti
Site Made (State)
Ohio
Site Made (Country)
United States of America
Material
metal: silver
plastic: white; black
Inscriptions
The front of the timer has a dial and scale 0-12 seconds; it also reads, "The Liebel Florsheim
Co. Patents No. 1,677,107 1,547,442"; hanging hook has the number 84779 stamped into the back
Permanent Location
Storage Room 0010
0010-F3-1
Dimension Notes
Length: 18.0 cm. x Width: 7.5 cm. x Depth: 7.0 cm.
Condition Remarks
Timer was dusty and dirty; the electric cord was not tested, but the timer will go if set
Copy Type
Original
Reference Types
Person
Book
JPG
Reference Comments
Bernie Ziomkiewicz; "The Trail of the Invisible Light" by E.R.N. Grigg MD; CD #4
Images
Less detail

thoriated filament valve; rectifier tube

https://mhc.andornot.com/en/permalink/artifact443
Dates
1960
circa 1960
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004027
Description
Small valve rectifier with a thoriated tungsten filament which consists of a cylindrical glass tube with cylindrical metal pieces inside; the bottom of the tube is capped with black plastic and has a metal screw attachment (similar to a light bulb); the top of the tube has a cylindrical metal rod c…
  1 image  
Accession Number
995004027
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Radiography -- instrumentation
MM= Radiography -- tube
Description
Small valve rectifier with a thoriated tungsten filament which consists of a cylindrical glass
tube with cylindrical metal pieces inside; the bottom of the tube is capped with black plastic
and has a metal screw attachment (similar to a light bulb); the top of the tube has a cylindrical
metal rod coming out of it
Number Of Parts
1
Maker
Eureka
Site Made (City)
Chicago
Site Made (State)
Illinois
Site Made (Country)
United States of America
Dates
1960
circa 1960
Material
metal: silver
plastic: black
glass: clear
Inscriptions
Manufacturer's label at bottom reads, "Eureka EV 6-12 Thoriated Fil Valve 6.0 +- 0.3 V.
Fil. Conn. 7.5 Amps. Nominal. 10.0-12.0 V. Fil. Conn. 40 Amps Nominal."
Permanent Location
Storage Room 0010
0010-F4-9
Dimension Notes
Length: 29.0 cm. x Width: 6.0 cm.
Condition Remarks
Rectifier was dirty and dusty; some scrape marks can be seen on the plastic at the bottom
Copy Type
Original
Reference Types
Person
Book
JPG
Reference Comments
Nancy Chisholm; Bernie Ziomkiewicz; "The Trail of the Invisible Light" by E.R.N. Grigg, M.D.; CD #4
Research Facts
Light radioactive source (thoriated)
Images
Less detail

rectifier tube

https://mhc.andornot.com/en/permalink/artifact445
Dates
1969
circa 1969
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004029
Description
Rectifier valve which consists of a cylindrical glass tube with cylindrical metal pieces inside; the top of the glass tube has a cylindrical metal rod sticking out of it; the bottom of the glass tube has a rounded black plastic piece around a metal rod and two white porcelain pieces which allow it …
  1 image  
Accession Number
995004029
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Radiography -- instrumentation
MM= Radiography -- tube
Description
Rectifier valve which consists of a cylindrical glass tube with cylindrical metal pieces inside;
the top of the glass tube has a cylindrical metal rod sticking out of it; the bottom of the
glass tube has a rounded black plastic piece around a metal rod and two white porcelain pieces
which allow it to be attached to something else
Number Of Parts
1
Maker
Eureka
Site Made (City)
Chicago
Site Made (State)
Illinois
Site Made (Country)
United States of America
Dates
1969
circa 1969
Date Remarks
Used until the 1960's
Material
metal: silver
plastic: black
glass: clear
porcelain: white
Inscriptions
Manufacturer's label reads, "Eureka X Ray. Type EV-5-75 9.7 to 12.2 Fil. Volts 12.4 to 14.2
Fil. Amps."
Permanent Location
Storage Room 0010
0010-F4-9
Dimension Notes
Length: 31.0 cm. x Width: 8.5 cm.
Condition Remarks
The valve was dirty and dusty
Copy Type
Original
Reference Types
Person
Book
JPG
Reference Comments
Nancy Chisholm; Bernie Ziomkiewicz; "The Trail of the Invisible Light" by E.R.N. Grigg, M.D.; CD #4
Images
Less detail