Cathode filament assembly from an early X-ray tube, which consists of a cylindrical base which bulbs out of the bottom; the base is hollow and open at the top to show the remains of a glass tube; curled wire and two rubber (?)-covered wires leading out (one green, one black).
Cathode filament assembly from an early X-ray tube, which consists of a cylindrical base which bulbs out of the bottom; the base is hollow and open at the top to show the remains of a glass tube; curled wire and two rubber (?)-covered wires leading out (one green, one black).
Number Of Parts
1
Provenance
Queen's University School of X-Ray
Dates
1900
1920
circa 1900-1920
Material
metal: light grey
glass: clear
rubber (?): black; green
Permanent Location
Storage Room 0010
0010-F4-10
Dimension Notes
Width: 6.4 cm. x Depth: 7.5 cm.
Condition Remarks
The cathode filament assembly was dirty and dusty; the metal shows some corrosion; the original glass tube has been broken and only jagged bits remain
Copy Type
Original
Reference Types
Person
Reference Comments
Nancy Chisholm; Bernie Ziomkiewicz
Research Facts
Cathode filament assembly from an early x-ray tube; from a Coolidge tube cathode; likely goes with the anode end (995.004.063)