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rectifier tube

https://mhc.andornot.com/en/permalink/artifact433
Dates
1930
circa 1930
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004017
Description
Therapy rectifier which consists of a cylindrical black glass tube with a screw attachment (similar to a light bulb) and a metal section at one end and a similar screw attachment and ridged metal section at the other end
  1 image  
Accession Number
995004017
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Radiography -- instrumentation
MM= Radiography -- tube
Description
Therapy rectifier which consists of a cylindrical black glass tube with a screw attachment
(similar to a light bulb) and a metal section at one end and a similar screw attachment and
ridged metal section at the other end
Number Of Parts
1
Maker
Philips (Norelco)
Site Made (City)
New York
Site Made (State)
New York
Site Made (Country)
United States of America
Dates
1930
circa 1930
Date Remarks
1930's
Material
metal: silver
glass: black
Inscriptions
Label on lthe end of the tube reads, "Philips Metalix - Valve Nr. X6045 Voltage 125 kv peak
Made in U.S.A. Saturation curr.: 200 mA filament curr: 7.5 A 14.5 V Saturation curr.: 400
mA filament curr: 8.0 A 16.2 V. Saturation curr.: 1000 mA filament curr.: 8.5 A 18.0 V for
short times."
Permanent Location
Storage Room 0010
0010-F4-9
Dimension Notes
Length: 54.0 cm. x Width: 10.0 cm.
Condition Remarks
The tube was dusty and dirty
Copy Type
Original
Reference Types
Person
JPG
Reference Comments
Nancy Chisholm; CD #4
Research Facts
Identified as having a therapeutic function
Images
Less detail

rectifier tube

https://mhc.andornot.com/en/permalink/artifact449
Dates
1930
circa 1930
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004033
Description
Therapy rectifier tube which consists of a cylindrical clear glass tube with another glass tube within as well as wires; the bottom of the tube is sealed with a rounded metal section and ends in a screw attachment (similar to a light bulb); the top of the tube has a heavy ridged metal section with …
  1 image  
Accession Number
995004033
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
MM= Radiography -- tube
Description
Therapy rectifier tube which consists of a cylindrical clear glass tube with another glass
tube within as well as wires; the bottom of the tube is sealed with a rounded metal section
and ends in a screw attachment (similar to a light bulb); the top of the tube has a heavy
ridged metal section with another screw attachment at the top
Number Of Parts
1
Maker
Philips (Norelco)
Site Made (City)
New York
Site Made (State)
New York
Site Made (Country)
United States of America
Dates
1930
circa 1930
Date Remarks
1930's ?
Material
metal: silver; black
glass: clear
Inscriptions
Manufacturer's label at base reads, "Philips Metalix-Valve Nr. X5975 Voltage 115 kv peak
Made in U.S.A. Saturation curr.: 200 mA filament curr.: 7.5 A 14.5 V Saturation curr.:
400 mA filament curr.: 8.0 A 16.2 V. Saturation curr.: 1000 mA filament curr.: 8.5 A
18.0 V for short time"
Permanent Location
Storage Room 0010
0010-F4-9
Dimension Notes
Length: 44.0 cm. x Width: 9.3 cm.
Condition Remarks
Tube 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, MD; CD #4
Research Facts
Identified as having a therapeutic function
Images
Less detail