Skip header and navigation

4 records – page 1 of 1.

Dates
1925
1930
circa 1925-1930
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
1969.494.1 a-e
Description
A Coolidge tube (a) with a somewhat irregular shape; at one end is a series of circular discs (e), probably for rapid heat diffusion; the glass tube is cylindrical on either side of a bulbous sphere that is just off-centre; at the other end of the tube is a fuse-like, threaded end piece; the intern…
  1 image  
Accession Number
1969.494.1 a-e
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Diagnostic Imaging
Radiography -- instrumentation
MM= Radiography -- tube
Description
A Coolidge tube (a) with a somewhat irregular shape; at one end is a series of circular discs (e), probably for rapid heat diffusion; the glass tube is cylindrical on either side of a bulbous sphere that is just off-centre; at the other end of the tube is a fuse-like, threaded end piece; the internal mechanism can be seen; the tube rests on a wooden mount (b) with two additional wooden archlike pieces to hold it in place (c,d); Note: item is missing.
Number Of Parts
5
Part Names
a - Coolidge tube - Size: Length 47.0 cm
b - wooden mount - Size: Length 38.3 cm x Width 15.1 cm x Depth 18.5 cm
c - wooden arch - Size: Length 9.8 cm x Depth 3.5 cm
d - wooden arch - Size: Length 10.1 cm x Depth 3.6 cm
e - discs - Size: Depth 5.7 cm x Diam. 7.5 cm
Provenance
Acquired from the Academy of Medicine; source unknown.
Maker
General Electric
Site Made (City)
Toronto
Site Made (State)
Ontario
Site Made (Country)
Canada
Dates
1925
1930
circa 1925-1930
Date Remarks
Last patent date printed on tube is 1922
Material
glass: clear; translucent violet
metal: silver
wood: dark brown
Inscriptions
On tube: two concentric circle; on the innermost circle is the GE logo; around that is printed, "COOLIDGE // TUBE"; under that is "R144"; also on tube: "PATENTED // 1912 1913 1914 1915 // 1918 1920 1921 1922 // THIS TUBE IS NOT LICENSED TO BE // RE-EXHAUSED [sic] OR REPAIRED NOR IS THE // METAL HEREIN CONTAINED LICENSED TO // BE USED EXCEPT IN THIS PARTICULAR // TUBE. // CANADIAN GEN. ELEC. CO. LTD // TORONTO —CANADA"; at bottom, just below the broken glass part is the number "V44019" inscribed on the rod.
Permanent Location
Storage Room 0010
0010-F3-8
Temporary Location
Item is missing.
Condition Remarks
Glass broken at one end.
Copy Type
Original
Reference Types
Photo
JPG
Reference Comments
CD #UHN
Research Facts
Self-rectifying radiator-type Coolidge tube; an advance on universal type.
Images
Less detail
Dates
1911
1921
circa 1911-1921
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic 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.
  1 image  
Accession Number
1969.498.1 a-e
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Diagnostic Imaging
Radiography -- instrumentation
MM= Radiography -- tube
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.
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.
Maker
General Electric Co. Ltd.
Site Made (City)
Toronto
Site Made (State)
Ontario
Site Made (Country)
Canada
Dates
1911
1921
circa 1911-1921
Date Remarks
Patent dates given on metal plate on tube.
Material
metal: silver
glass: clear; translucent violet
wood: brown
Inscriptions
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
Copy Type
Original
Reference Types
Photo
JPG
Reference Comments
CD #UHN
Images
Less detail
Dates
1942
circa 1942
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004032
Description
Timer, which consists of a painted metal base with two power attachment areas on one side and a "Time" and "Lag" section with a fuse on the back; the top has 12 attachments, several of which are tubes
  1 image  
Accession Number
995004032
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 painted metal base with two power attachment areas on one side and
a "Time" and "Lag" section with a fuse on the back; the top has 12 attachments, several of
which are tubes
Number Of Parts
1
Maker
Ferranti Electric Limited
Site Made (City)
Toronto
Site Made (State)
Ontario
Site Made (Country)
Canada
Dates
1942
circa 1942
Date Remarks
1940's ?
Material
metal: grey
paint: black
glass: clear
Inscriptions
Manufacturer's label on top reads, "Hammond type 23221 Primary 115 Volts 25 Cycles 70 V.A.
C.S.A. Approval No. 3902 Hammond Mfg. Co. Ltd Guelph - Canada"; another label reads,
"Ferranti Mastimer Pantented April 28, 1942 Model FB Serial SOXFX.159.3 110V. 60 -- C.S.A.
Approval No. 5590 Ferranti Electric Limited, Toronto Made in Canada 70-135"
Permanent Location
Storage Room 0010
0010-F3-1
Dimension Notes
Length: 31.7 cm. x Width: 22.2 cm. x Depth: 18.8 cm.
Condition Remarks
Timer was very dirty and dusty
Copy Type
Original
Reference Types
Person
JPG
Reference Comments
Nancy Chisholm; CD #4
Research Facts
Early timer for exposures
Images
Less detail
Dates
1949
circa 1949
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004042
Description
Box of x-ray film strips which consists of a two-piece box with 45 strips of x-ray film (measuring: length = 16.2 x width = 6.8 cm) with strips of black paper wrapped around them; one film strip is developed and shows a chest x-ray
  4 images  
Accession Number
995004042
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
X-Ray Film
Radiography -- instrumentation
Description
Box of x-ray film strips which consists of a two-piece box with 45 strips of x-ray film
(measuring: length = 16.2 x width = 6.8 cm) with strips of black paper wrapped around them;
one film strip is developed and shows a chest x-ray
Number Of Parts
1
Maker
Canadian Kodak Co., Limited
Site Made (City)
Toronto
Site Made (State)
Ontario
Site Made (Country)
Canada
Dates
1949
circa 1949
Date Remarks
Reads: "develop before Dec. 1949"
Material
cardboard: off-white
film: green
paper: black
Inscriptions
Label on box front reads, "Eastman X-ray Films Blue Sensitive Single Coated For PhotoRoentgenography.
Tinted Safety Base. Canadian Kodak Co., Limited Toronto, Canada
Patented in Canada 1935"
Permanent Location
Storage Room 0010
0010-F3-3
Dimension Notes
Length: 18.0 cm. x Width: 8.3 cm. x Depth: 5.0 cm.
Condition Remarks
Film box was dusty; there are also several water stains on the box
Copy Type
Original
Reference Types
Person
JPG
Reference Comments
Nancy Chisholm; CD #4
Research Facts
Box originally held 72 sheets of film
Images
Less detail