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687 records – page 1 of 69.

air compressor unit

https://mhc.andornot.com/en/permalink/artifact13121
Dates
1920
1930
circa 1920-1930
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Dental
Classification
Dental
Accession Number
010020032
Description
Black-enamelled metal air compressor unit; cylindrical air compressor sits on rectangular base atop cylindrical motor with square base; whole unit atop rounded cylindrical base; black rubber band around five-spoked silver metal wheel, attached to compressor base, and smaller wheel, attached to moto…
  2 images  
Accession Number
010020032
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Dental
Classification
Dental
MeSH Heading
Dental Equipment
Description
Black-enamelled metal air compressor unit; cylindrical air compressor sits on rectangular base atop cylindrical motor with square base; whole unit atop rounded cylindrical base; black rubber band around five-spoked silver metal wheel, attached to compressor base, and smaller wheel, attached to motor; black rubber electrical wire coming from base, black and yellow plastic plug at end; silver metal pipe goes from top to air compressor base; black fabric-covered wire goes from motor to air compressor base; broken black rubber wire coming from unit base
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa).
Maker
The Ritter Dental Mfg. Co.
Site Made (City)
Rochester
Site Made (State)
New York
Site Made (Country)
United States of America
Dates
1920
1930
circa 1920-1930
Date Remarks
Printed on artefact
Material
metal: silver
enamel: black, yellow
rubber: black
fabric: black
plastic: black, yellow
Inscriptions
Printed on unit: "AUTOMATIC AIR COMPRESSOR UNIT // MANUFACTURED BY // THE RITTER DENTAL MFG. CO. // ROCHESTER, NEW YORK, U.S.A. // PAT. NOV 7, 1916 // MAR. 27, 1917 // OTHER PATS PENDING // SERIAL NO. 5832 MODEL -A- // -IMPORTANT- // TO OIL COMPRESSOR, REMOVE THUMB SCREW BELOW THIS NAME PLATE. THEN FILL // WITH COLUMBIA COMPRESSOR OIL THROUGH FILLING HOLE LOCATED ABOVE NAME // PLATE UNTIL OIL FLOWS OUT SCREW HOLE BELOW. POUR VERY SLOWLY // SEE PRINTED DIRECTIONS MADE IN U.S.A.", "AUTOMATIC // MRD CO. // SWITCH // BRITISH PATENT // NO. 16130 OF 19[Illeg.]1"; printed on motor: "THE RITTER DENTAL MFG CO // ROCHESTER, NY // SPECIAL // EMERSON // AIR COMPRESSOR MOTOR // NO. 599862 // VOLTS 110 TYPE 7342 NT // CYCLES 60 AMPS 4.3 // PHASE 1 SPEED 1750 // FOR ALTERNATING CURRENT // PATENTED"; embossed on wheel: "NATIONAL HARDWARE SPECIALTIES LTD // MADE IN DRESDEN ONTARIO CANADA"
Permanent Location
Storage Room W2
W2-536-4-1
Dimension Notes
Length 1.02 m x Width 34.0 cm x Depth 34.0 cm
Condition Remarks
Rubber wires taped together with masking and electrical tape; one wire end is broken off; whole unit is greasy; rubber wires are brittle; enamel chipping heavily around base
Copy Type
Original
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008
Images
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amalgam squeeze cloths

https://mhc.andornot.com/en/permalink/artifact13333
Dates
1940
1960
circa 1940-1960
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020211
Description
Square paper box of dental amalgam squeeze cloths; blue and grey box with square white paper label on top printed with blue ink states manufacturer's information, product name, purpose of product and serial number; manufacturer's sticker on bottom of box; box is filled with circular pieces of white…
  3 images  
Accession Number
010020211
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dentistry, Operative -- instrumentation
Textiles
MM= Dental Restoration, Permanent -- alloy/amalgam
Description
Square paper box of dental amalgam squeeze cloths; blue and grey box with square white paper label on top printed with blue ink states manufacturer's information, product name, purpose of product and serial number; manufacturer's sticker on bottom of box; box is filled with circular pieces of white cloth
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Johnson & Johnson
Site Made (Country)
Canada
Dates
1940
1960
circa 1940-1960
Date Remarks
Based on design
Material
paper: brown, white
ink: blue, red
fabric: white
Inscriptions
Printed on front: "D-9290 // 100 // AMALGAM // SQUEEZE CLOTHS // TO EXPRESS EXCESS MERCURY FROM // AMALGAM FILLING MATERIAL // Johnson & Johnson // LIMITED // MONTREAL & TORONTO - CANADA // MADE IN CANADA"; printed on sticker on bottom: "J & J"
Permanent Location
Storage Room 0010
0010-B
Temporary Location
MHC 2017 Public Program: Seniors Program - Say Cheese: History of Dentures and Dental Health, July 2017
Dimension Notes
Length 7.8 cm x Width 7.8 cm x Depth 2.8 cm
Condition Remarks
Box heavily faded on top, sides; lid flap worn, torn on both sides
Copy Type
Original
Reference Types
JPG
Reference Comments
CD #10
Research Facts
Dr Ralph and Mrs Olga Crawford donated their extensive Canadian dental collection to the DCF to create the museum in 1997; further donations were received while Dr Crawford was Curator Emeritus at the Dental Canada Museum until its closure in 2008
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angular dental hypodermic needle

https://mhc.andornot.com/en/permalink/artifact5154
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
997001366
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set …
  1 image  
Accession Number
997001366
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Injections -- instrumentation
Dental Care -- instrumentation
Dental Equipment
MM= Injections -- hypodermic needles
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set into this hole; the needle is hollow and cylindrical and has a sharp, open, bevelled tip.
Number Of Parts
1
Provenance
Originally owned and used by Dr. F. X. O'Connor; donated by Miss Helen Cobb; collected by Dr. A. A. Travill for the Queen's University Faculty of Medicine Collection.
Material
metal: silver
Inscriptions
None
Permanent Location
Storage Room 0010
0010-E5-2
Dimension Notes
Length 2.4 cm x Width 1.0 cm x Depth 0.6 cm
Condition Remarks
The metal shows minor wear only; no corrosion is visible.
Copy Type
Original
Reference Types
Document
Reference Comments
Previous number #710; Faculty of Medicine Collection 1984 Inventory; "Surgical Instruments," by The Kny-Scheerer Company, 1915, p. 2333 (similar to item #B/-9533)
Images
Less detail

angular dental hypodermic needle

https://mhc.andornot.com/en/permalink/artifact5155
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
997001367
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set …
  1 image  
Accession Number
997001367
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Injections -- instrumentation
Dental Care -- instrumentation
Dental Equipment
MM= Injections -- hypodermic needles
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set into this hole; the needle is hollow and cylindrical and has a sharp, open, bevelled tip.
Number Of Parts
1
Provenance
Originally owned and used by Dr. F. X. O'Connor; donated by Miss Helen Cobb; collected by Dr. A. A. Travill for the Queen's University Faculty of Medicine Collection.
Material
metal: silver
Inscriptions
None
Permanent Location
Storage Room 0010
0010-E5-2
Dimension Notes
Length 2.8 cm x Width 1.4 cm x Depth 0.6 cm
Condition Remarks
The metal shows minor wear only; no corrosion is visible.
Copy Type
Original
Reference Types
Document
Reference Comments
Previous number #710; Faculty of Medicine Collection 1984 Inventory; "Surgical Instruments," by The Kny-Scheerer Company, 1915, p. 2333 (similar to item #B/-9533)
Images
Less detail

angular dental hypodermic needle

https://mhc.andornot.com/en/permalink/artifact5156
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
997001368
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set …
  1 image  
Accession Number
997001368
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Injections -- instrumentation
Dental Care -- instrumentation
Dental Equipment
MM= Injections -- hypodermic needles
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set into this hole; the needle is hollow and cylindrical and has a sharp, open, bevelled tip.
Number Of Parts
1
Provenance
Originally owned and used by Dr. F. X. O'Connor; donated by Miss Helen Cobb; collected by Dr. A. A. Travill for the Queen's University Faculty of Medicine Collection.
Material
metal: silver
Inscriptions
None
Permanent Location
Storage Room 0010
0010-E5-2
Dimension Notes
Length 2.2 cm x Width 1.0 cm x Depth 0.6 cm
Condition Remarks
The metal shows minor wear only; no corrosion is visible.
Copy Type
Original
Reference Types
Document
Reference Comments
Previous number #710; Faculty of Medicine Collection 1984 Inventory; "Surgical Instruments," by The Kny-Scheerer Company, 1915, p. 2333 (similar to item #B/-9533)
Images
Less detail

angular dental hypodermic needle

https://mhc.andornot.com/en/permalink/artifact5157
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
997001369
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set …
  1 image  
Accession Number
997001369
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Injections -- instrumentation
Dental Care -- instrumentation
Dental Equipment
MM= Injections -- hypodermic needles
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set into this hole; the needle is hollow and cylindrical and has a sharp, open, bevelled tip.
Number Of Parts
1
Provenance
Originally owned and used by Dr. F. X. O'Connor; donated by Miss Helen Cobb; collected by Dr. A. A. Travill for the Queen's University Faculty of Medicine Collection.
Material
metal: silver
Inscriptions
None
Permanent Location
Storage Room 0010
0010-E5-2
Dimension Notes
Length 2.1 cm x Width 1.1 cm x Depth 0.6 cm
Condition Remarks
The metal shows minor wear only; no corrosion is visible.
Copy Type
Original
Reference Types
Document
Reference Comments
Previous number #710; Faculty of Medicine Collection 1984 Inventory; "Surgical Instruments," by The Kny-Scheerer Company, 1915, p. 2333 (similar to item #B/-9533)
Images
Less detail

angular dental hypodermic needle

https://mhc.andornot.com/en/permalink/artifact5158
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
997001370
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set …
  1 image  
Accession Number
997001370
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Injections -- instrumentation
MM= Injections -- hypodermic needles
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set into this hole; the needle is hollow and cylindrical and has a sharp, open, bevelled tip.
Number Of Parts
1
Provenance
Originally owned and used by Dr. F. X. O'Connor; donated by Miss Helen Cobb; collected by Dr. A. A. Travill for the Queen's University Faculty of Medicine Collection.
Material
metal: silver
Inscriptions
None
Permanent Location
Storage Room 0010
0010-E5-2
Dimension Notes
Length 2.8 cm x Width 1.2 cm x Depth 0.6 cm
Condition Remarks
The metal shows minor wear only; no corrosion is visible.
Copy Type
Original
Reference Types
Document
Reference Comments
Previous number #710; Faculty of Medicine Collection 1984 Inventory; "Surgical Instruments," by The Kny-Scheerer Company, 1915, p. 2333 (similar to item #B/-9533)
Images
Less detail

angular dental hypodermic needle

https://mhc.andornot.com/en/permalink/artifact5159
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
997001371
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set …
  1 image  
Accession Number
997001371
Collection
Queen's University Faculty of Medicine Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Injections -- instrumentation
Dental Care -- instrumentation
Dental Equipment
MM= Injections -- hypodermic needles
Description
Angular dental hypodermic needle, which consists of a hollow cylindrical piece that has a six-sided end with a round, open hole that has threading on its inner edge; the other end of the needle bends at a curved 45° angle and tapers to a very small round hole; there is a short, straight needle set into this hole; the needle is hollow and cylindrical and has a sharp, open, bevelled tip.
Number Of Parts
1
Provenance
Originally owned and used by Dr. F. X. O'Connor; donated by Miss Helen Cobb; collected by Dr. A. A. Travill for the Queen's University Faculty of Medicine Collection.
Material
metal: silver
Inscriptions
None
Permanent Location
Storage Room 0010
0010-E5-2
Dimension Notes
Length 2.0 cm x Width 1.1 cm x Depth 0.6 cm
Condition Remarks
The metal shows minor wear only; no corrosion is visible.
Copy Type
Original
Reference Types
Document
Reference Comments
Previous number #710; Faculty of Medicine Collection 1984 Inventory; "Surgical Instruments," by The Kny-Scheerer Company, 1915, p. 2333 (similar to item #B/-9533)
Images
Less detail

attachment denture model

https://mhc.andornot.com/en/permalink/artifact14576
Dates
1945
1955
circa 1945-1955
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Dental
Classification
Dental
Dentures
Accession Number
010020662
Description
Pink resin base with black plastic bottom (a) with two affixed metal rods protruding from front corners with separate pink resin denture (b) with cream porcelain teeth with two imbedded sockets at front corners; Dental information: attachment model; CLD overdenture with internal attachments into …
  4 images  
Accession Number
010020662
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Dental
Classification
Dental
Dentures
MeSH Heading
Dental Models
Dental Prosthesis -- models
Description
Pink resin base with black plastic bottom (a) with two affixed metal rods protruding from front corners with separate pink resin denture (b) with cream porcelain teeth with two imbedded sockets at front corners; Dental information: attachment model; CLD overdenture with internal attachments into the cuspid roots; metal "females", two parts that can detach from each other.
Number Of Parts
2
Part Names
a - base
b - denture
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa); original donor was dentist Dr. Oskar Sykora of Halifax, Nova Scotia.
Dates
1945
1955
circa 1945-1955
Material
plastic: pink, black
porcelain: cream
metal: silver
Inscriptions
Embossed on base: "apm-sterngold"
Length
7.9 cm
Width
5.8 cm
Height
3.6 cm
Unit Of Measure
centimeters
Condition Remarks
Like new
Copy Type
original
Images
Less detail

attachment denture model

https://mhc.andornot.com/en/permalink/artifact14577
Dates
1945
1955
circa 1945-1955
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Dental
Classification
Dental
Dentures
Accession Number
010020663
Description
Pink resin base with black plastic bottom (a) with two affixed metal sockets in front corners with separate pink resin denture (b) with cream porcelain teeth with two clear plastic imbedded rods at front corners; Dental information: attachment model; CLD overdenture with internal attachments into…
  5 images  
Accession Number
010020663
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Dental
Classification
Dental
Dentures
MeSH Heading
Dental Models
Dental Prosthesis -- models
Description
Pink resin base with black plastic bottom (a) with two affixed metal sockets in front corners with separate pink resin denture (b) with cream porcelain teeth with two clear plastic imbedded rods at front corners; Dental information: attachment model; CLD overdenture with internal attachments into the cuspid roots; metal "males", two parts that can detach from each other.
Number Of Parts
2
Part Names
a - base
b - denture
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa); original donor was dentist Dr. Oskar Sykora of Halifax, Nova Scotia.
Dates
1945
1955
circa 1945-1955
Material
plaster: white
plastic: pink, black
Inscriptions
Embossed on base: "apm-sterngold"
Permanent Location
Storage Room 0010
0010-B2-11 Row I
Length
7.9 cm
Width
5.8 cm
Height
3.6 cm
Unit Of Measure
centimeters
Condition Remarks
Like new
Copy Type
original
Images
Less detail

687 records – page 1 of 69.