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filament controller

https://mhc.andornot.com/en/permalink/artifact440
Dates
1920
circa 1920
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004024
Description
Filament controller which consists of a cast-iron (?) cylindrical shell with a turning knob and pointer and a scale on the top; the shell is hollow and inside is a transformer/power unit; there are three screw holes on the bottom of the shell which would have allowed it to be attached to something
  2 images  
Accession Number
995004024
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Radiography -- instrumentation
Description
Filament controller which consists of a cast-iron (?) cylindrical shell with a turning knob
and pointer and a scale on the top; the shell is hollow and inside is a transformer/power
unit; there are three screw holes on the bottom of the shell which would have allowed it to
be attached to something
Number Of Parts
1
Maker
Victor
Site Made (City)
Chicago
Site Made (State)
Illinois
Site Made (Country)
United States of America
Dates
1920
circa 1920
Material
metal: dark grey
paint: black
fabric: black
Inscriptions
Top of controller has a scale from 0-50 and reads, "Filament Controller Volts 110 A.C.
Cycles 50 60 No. 6580 Victor Trade Mark Reg. U.S. Pat. Off."
Permanent Location
Storage Room 0007
0007-F2-2
Dimension Notes
Width: 19.5 cm. x Depth: 19.5 cm.
Condition Remarks
Controller was dirty and dusty; dial turns freely; there are a few minor chips in the
paint
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
Variable transformer; milliamperes current control for filament; the Victor X-Ray Corporation/Electric
Company had branches in New York City, Boston and San Francisco
Images
Less detail