University Health Network - Academy of Medicine Collection
Category
Equipment and Supplies
Radiology
Classification
Equipment and Supplies
Radiology
Accession Number
1969.498.1 a-e
Description
Coolidge tube (a), shaped like a glass retort, with a bulb at one end; a piece broken off (b) has a screw thread at one end; the tube rests on a wooden mount (e); two wooden half-circles (c,d) affix the tube firmly to the mount.
Coolidge tube (a), shaped like a glass retort, with a bulb at one end; a piece broken off (b) has a screw thread at one end; the tube rests on a wooden mount (e); two wooden half-circles (c,d) affix the tube firmly to the mount.
Number Of Parts
5
Part Names
a - tube - Size: Length 37.0 cm x Diam. 17.8 cm
b - broken-off tube - Size: Length 21.0 cm x Diam. 2.9 cm
c - half-circle - Size: Length 10.0 cm x Depth 4.0 cm
d - half-circle - Size: Length 10.0 cm x Depth 4.0 cm
e - mount - Size: Length 18.0 cm x Width 15.0 cm x Depth 18.0 cm
Provenance
Acquired from the Academy of Medicine; source unknown.
On metal plate: "PATENTED // 1911, 1912, 1914, 1915, 1916 // 1917, 1918, 1919, 1920, 1921 // This tube is not licensed // to be re-exhausted or // repaired nor is the // metal herein contained // licensed to be used // except in this particular // tube // CANADIAN GEN. ELEC. CO. LTD. // TORONTO, CANADA"; inside a circle: the centre has "CGE" with "COOLIDGE // TUBE" around the outside; below that is "125".
Permanent Location
Storage Room 0010
0010-F4-8
Condition Remarks
One end of tube broken off; #2: glass is broken; metal is oxidized