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Thoma hemacytometer

https://mhc.andornot.com/en/permalink/artifact8433
Dates
1900
1930
1900-1930
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Clinical Laboratory Diagnosis
Accession Number
1986.18.1
Description
Faded dark maroon leather-covered case with gold-tooled lettering; lined with blue velvet; contains two pipettes and one pipette tip, a counting chamber, and a cover slide wrapped in tissue paper.
  1 image  
Accession Number
1986.18.1
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Clinical Laboratory Diagnosis
MeSH Heading
Blood Cell Count -- instrumentation
MM= Blood Cell Count -- hemacytometer
Description
Faded dark maroon leather-covered case with gold-tooled lettering; lined with blue velvet; contains two pipettes and one pipette tip, a counting chamber, and a cover slide wrapped in tissue paper.
Part Names
case - Size: Length 18.5 cm x Width 8.5 cm x Depth 2.5 cm
Provenance
Acquired from the Academy of Medicine; source: Mrs. J. Harmark of Milton, Ont.; from the practice of her father, Dr. James C. Hill of Orillia, Ont.
Maker
C. Zeiss
Site Made (City)
Jena
Site Made (Country)
Germany
Dates
1900
1930
1900-1930
Date Remarks
Original record had "early 20c."
Material
leather: maroon
fabric: blue
glass: clear
Inscriptions
Gold-tooled lettering says: "Blutkörper zählapparat // nach Thoma // University of Toronto // Clinical Laboratory 15"; one pipette marked "Spencer Lens Co."; the other marked "Carl Zeiss, Jena"
Permanent Location
Storage Room 0010
0010-F6-8
Condition Remarks
Rubber tubing missing; #2: the box is covered with leather-like material and has several scratches on top and sides, bottom is intact; corners show wear, and a small rectangular piece on top exposes an under layer; yellow printing on top shows some wear but is legible; no tears or separation from lid; box is lined with velvet, which is stained on top and bottom on left-hand side; no tears; contents: glass intact, no chips, cracks or scratches; ivory is intact.
Copy Type
Original
Research Facts
BLUTKÖRPER ZAHLAPPARAT translated means 'blood cell count'
Dr. James C. Hill practised in Orillia, Ont., until 1985.
Exhibit History
Agnes Etherington Art Centre - July 2002; on display in "When Medicine Met Science" exhibit, Ann Baillie Building, April 29, 2003
Images
Less detail

Spencer bright line hemacytometer

https://mhc.andornot.com/en/permalink/artifact7555
Dates
1900
1930
1900-1930
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Clinical Laboratory Diagnosis
Accession Number
1979.12.18
Description
A velvet- and satin-lined wooden case contains a haemacytometer and attachments: two rubber tubes with glass on either end and ball bearings; a glass slide with measurements in millimetres marked on it.
  1 image  
Accession Number
1979.12.18
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Clinical Laboratory Diagnosis
MeSH Heading
Blood Cell Count -- instrumentation
MM= Blood Cell Count -- hemacytometer
Description
A velvet- and satin-lined wooden case contains a haemacytometer and attachments: two rubber tubes with glass on either end and ball bearings; a glass slide with measurements in millimetres marked on it.
Part Names
case - Size: Length 17.0 cm x Width 8.8 cm x Depth 2.4 cm
Provenance
Acquired from the Academy of Medicine; source: Mrs. J. Murdoch.
Maker
The J.F. Hartz Co. Ltd.
Site Made (Country)
United States of America
Dates
1900
1930
1900-1930
Date Remarks
Original record had "early 20c."
Material
wood: red
fabric: blue; red
metal: silver
glass: clear
rubber: brown
Inscriptions
On glass slide: "Neubauer"
Permanent Location
Storage Room 0010
0010-F6-8
Condition Remarks
Rubber tubes cracked and stained.
Copy Type
Original
Reference Types
JPG
Reference Comments
CD #UHN
Research Facts
Mrs. Murdoch was the daughter of the late Dr. Haber F. Teney.
Images
Less detail

Thoma hemacytometer

https://mhc.andornot.com/en/permalink/artifact8037
Dates
1900
1940
1900-1940
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Clinical Laboratory Diagnosis
Accession Number
1980.23.5 a-f
Description
Wooden two-piece case (a,b) covered with diamond-patterned leather; inside fitted and lined with velvet; no hinges; contains (c) rubber tubing, (d,e) glass pipettes, and (f) blood cell counter.
  1 image  
Accession Number
1980.23.5 a-f
Collection
University Health Network - Academy of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Clinical Laboratory Diagnosis
MeSH Heading
Blood Cell Count -- instrumentation
MM= Blood Cell Count -- hemacytometer
Description
Wooden two-piece case (a,b) covered with diamond-patterned leather; inside fitted and lined with velvet; no hinges; contains (c) rubber tubing, (d,e) glass pipettes, and (f) blood cell counter.
Number Of Parts
6
Part Names
a - case - Size: Length 20.4 cm x Width 8.9 cm x Depth 2.4 cm
b - lid
c - rubber tubing
d,e - pipettes - Size: Length 11.5 cm
f - haemacytometer - Size: Length 7.2 cm x WIdth 3.0 cm x Depth 4.0 mm
Provenance
Acquired from the Academy of Medicine; source: Dr. J.W. Scott.
Maker
E. Leitz
Site Made (City)
Wetzlar
Site Made (Country)
Germany
Dates
1900
1940
1900-1940
Material
wood: brown
leather: brown
fabric: dark green
glass:
rubber:
ivory: off-white
Inscriptions
Impressed in gold on the lid of the case: "Blutkörper zählapparat // nach Thoma // E. Leitz, Wetzlar"; printed on front of cell counter, on left: "O, I T // 1 // — // 4009mm"; on right: "E. Leitz // Wetzlar"
Permanent Location
Storage Room 0010
0010-F6-8
Condition Remarks
Leather covering very worn; rubber perished; #2: rubber stiff
Copy Type
Original
Research Facts
BLUTKÖRPER ZAHLAPPARAT translated means 'blood cell count'
Images
Less detail