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137 records – page 1 of 14.

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
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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
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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/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
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Caulk and Thymozin

https://mhc.andornot.com/en/permalink/artifact13377
Dates
1930
1960
circa 1930-1960
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020255 a-e
Description
Two dental jars of unknown substances; white rectangular paper tray (a) covered with grey paper with divider in middle, creating two square spaces; two translucent glass jars with angled corners; jar (b) with white rectangular paper label around front printed with green ink; jar contains brown crys…
  3 images  
Accession Number
010020255 a-e
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Equipment
Description
Two dental jars of unknown substances; white rectangular paper tray (a) covered with grey paper with divider in middle, creating two square spaces; two translucent glass jars with angled corners; jar (b) with white rectangular paper label around front printed with green ink; jar contains brown crystallized substance; jar (c) with white rectangular paper label around front printed with blue ink; jar contains white powder; jars tapers at top to round opening; round silver metal twist caps (d, e) on top
Number Of Parts
5
Part Names
a - tray - Size: Length 7.3 cm x Width 4.1 cm x Depth 1.3 cm
b - jar - Size: Length 3.0 cm x Width 3.0 cm x Depth 2.0 cm
c - jar - Size: Length 3.0 cm x Width 3.0 cm x Depth 2.0 cm
d - cap - Size: Depth 0.7 cm x Diam. 2.8 cm
e - cap - Size: Depth 0.7 cm x Diam. 2.8 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
L.D. Caulk Company
Site Made (City)
Milford
Site Made (State)
Delaware
Site Made (Country)
United States of America
Dates
1930
1960
circa 1930-1960
Date Remarks
Based on design
Material
glass: clear
metal: silver
paper: white, brown
ink: green, blue, grey
Inscriptions
(b) Printed on label: "1 THYMOZIN 1 CAULK 1 THYMOZIN 1"; (c) printed on label: "2 THYMOZIN 2 CAULK 2 THYMOZIN 2"; (b, c) embossed on bottom: "3"; (d) embossed on top: "C 1"; (e) embossed on top: "C 2"
Permanent Location
Storage Room 0010
0010-A3-7
Condition Remarks
Paper tray (a) has darks marks on bottom; cap (e) slightly tarnished
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
Images
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dental aluminum shells

https://mhc.andornot.com/en/permalink/artifact13292
Dates
1930
1950
circa 1930-1950
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020170 a-h
Description
Brown wooden rectangular box of aluminum shells; box (a) has white paper label printed with black ink on front stating product name and manufacturing information; white paper label inside lid illustrates product and shows different sizes from 1-20; box is separated into twenty different square comp…
  3 images  
Accession Number
010020170 a-h
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Equipment
Description
Brown wooden rectangular box of aluminum shells; box (a) has white paper label printed with black ink on front stating product name and manufacturing information; white paper label inside lid illustrates product and shows different sizes from 1-20; box is separated into twenty different square compartments by three horizontal brown paper inserts (b, c, d) with numbers from 6-20 printed with black ink and four vertical inserts (e, f, g, h) fitting on top; lid affixed to box at back via brown adhesive paper, closes via small silver metal nail going through holes on lid and box at front; box is filled with four to six aluminum shells of different sizes in each of the twenty compartments.
Number Of Parts
8
Part Names
a - box - Size: Length 16.0 cm x Width 12.1 cm x Depth 3.4 cm
b - insert - Size: Length 15.0 cm x Width 2.7 cm x Depth 0.1 cm
c - insert - Size: Length 15.0 cm x Width 2.7 cm x Depth 0.1 cm
d - insert - Size: Length 15.0 cm x Width 2.7 cm x Depth 0.1 cm
e - insert - Size: Length 11.0 cm x Width 2.7 cm x Depth 0.1 cm
f - insert - Size: Length 11.0 cm x Width 2.7 cm x Depth 0.1 cm
g - insert - Size: Length 11.0 cm x Width 2.7 cm x Depth 0.1 cm
h - insert - Size: Length 11.0 cm x Width 2.7 cm x Depth 0.1 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Blue Island Specialty Co., Inc.
Site Made (City)
Blue Island
Site Made (State)
Illinois
Site Made (Country)
United States of America
Dates
1930
1950
circa 1930-1950
Date Remarks
Based on packaging
Material
wood: brown
metal: silver
paper: white, brown
ink: black
Inscriptions
(a) Printed on front: "BISCO BRAND // SEAMLESS SHELLS // 20 DIFFERENT SIZES // GAUGE // 36 One-Half // Inch // ALUMINUM // SHELLS // BLUE ISLAND SPECIALTY CO., INC. Blue Island, Ill. // MANUFACTURERS // ORTHODONTIC APPLIANCES, SUPPLIES AND DENTAL SPECIALTIES"; (b) printed on insert: "6 7 8 9 10"; (c) printed on insert: "11 12 13 14 15"; (d) printed on insert: "16 17 18 19 20";
Permanent Location
Storage Room 0010
0010-B
Condition Remarks
Slight water damage on paper label; label is darkened
Copy Type
Original
Reference Types
Internet
JPG
Reference Comments
"My new smile" website
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; aluminum shells are used as temporary crowns while the permanent crown is being created in a dental laboratory; aluminum is used because it is not very strong, since the temporary crown must be easily removed
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dental amalgamator

https://mhc.andornot.com/en/permalink/artifact13468
Dates
1947
circa 1947
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020347 a-d
Description
Black plastic rectangular amalgamator with sloping front (a); round metal dial, enamelled in white and red, with dashes around the edge and numbers 5-55; two silver metal arms come up from top, hold capsules for mixing; holes of various sizes in top for placing capsules; silver metal border around …
  4 images  
Accession Number
010020347 a-d
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Equipment
Dentistry
MM= Dental Restoration, Permanent -- amalgam
Description
Black plastic rectangular amalgamator with sloping front (a); round metal dial, enamelled in white and red, with dashes around the edge and numbers 5-55; two silver metal arms come up from top, hold capsules for mixing; holes of various sizes in top for placing capsules; silver metal border around base; amalgamator sits on four round black rubber feet; black rubber electrical wire comes from back, ends in plug; two black plastic cylindrical capsules (b, c) with twist caps (d, e); inside capsules are silver metal cylindrical beads (f, g)
Number Of Parts
7
Part Names
a - amalgamator - Size: Length 25.1 cm x Width 16.1 cm x Depth 11.1 cm
b - capsule - Size: Length 2.8 cm x Diam. 1.2 cm
c - capsule - Size: Length 2.8 cm x Diam. 1.2 cm
d - cap - Size: Depth 1.0 cm x Diam. 1.3 cm
e - cap - Size: Depth 1.0 cm x Diam. 1.3 cm
f - bead - Size: Length 1.2 cm x Diam. 0.4 cm
g - bead - Size: Length 1.2 cm x Diam. 0.4 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Crescent Dental Mfg. Co.
Site Made (City)
Chicago
Site Made (State)
Illinois
Site Made (Country)
United States of America
Dates
1947
circa 1947
Date Remarks
Based on donors remarks
Material
plastic: black
rubber: black
metal: silver, yellow
enamel: white, red
Inscriptions
(a) Printed on metal plaque at top: "CRESCENT DENTAL MFG. CO. // MOD. 5A // CHICAGO, // ILL. // SER.P- 73696 MADE IN // U.S.A. // WIG L BUG // AMALGAMATOR // 1.35 AMP 115 A.C. 60C. // CANADA PAT. 399,762 // PAT. NOS. 2,201,428 - 2,286,599 - 2.286.600 - AND FOREIGN PAT.PEND."; printed on dial: "WIG.L.BUG // CRESCENT // CHICAGO // TURN TO SET"; printed on back: "SA // B 16.37"
Permanent Location
Storage Room 0007
0007-D2-5
Condition Remarks
In good condition
Copy Type
Original
Reference Types
Person
Internet
JPG
Reference Comments
Dr. Ralph Crawford; "Free Patents Online" website
CD #1
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; this item was donated by Dr. Mark Trepanier from Farnham, Quebec; the original Wig-L-Bug was patented in 1940; the inventor claimed that the amalgamator could produce an amalgam in only seven seconds, compared to the ninety seconds it took previously; instead of a mere vibrator, the capsule holding the metals and mercury would have the direction of its axes changed, and be moved in every essential way to produce a thorough amalgam
Images
Less detail

dental amalgamator

https://mhc.andornot.com/en/permalink/artifact13469
Dates
1940
1945
circa 1940-1945
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020348
Description
Black plastic rectangular amalgamator with sloping front; round metal dial, enamelled in white and red, with dashes around the edge and numbers 5-55; two silver metal arms come up from top, hold capsules for mixing; holes of various sizes in top for placing capsules; silver metal border around base…
  3 images  
Accession Number
010020348
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Equipment
Dentistry
MM= Dental Restoration, Permanent -- amalgam
Description
Black plastic rectangular amalgamator with sloping front; round metal dial, enamelled in white and red, with dashes around the edge and numbers 5-55; two silver metal arms come up from top, hold capsules for mixing; holes of various sizes in top for placing capsules; silver metal border around base; amalgamator sits on four round black rubber feet; black rubber electrical wire comes from back, ends in plug
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Crescent Dental Mfg. Co.
Site Made (City)
Chicago
Site Made (State)
Illinois
Site Made (Country)
United States of America
Dates
1940
1945
circa 1940-1945
Date Remarks
Based on similar item
Material
plastic: black
rubber: black
metal: silver, yellow
enamel: white, red
Inscriptions
(a) Printed on metal plaque at top: "CRESCENT DENTAL MFG. CO. // CHICAGO, // ILL. // SER.P- 71958 MADE IN // U.S.A. // WIG L BUG // AMALGAMATOR // 1.35 AMP 115 A.C. 60C. // CANADA PAT. 399,762 // PAT. NOS. 2,201,428 - 2,286,599 - 2.286.600 - AND FOREIGN PAT.PEND."; printed on dial: "WIG.L.BUG // CRESCENT // CHICAGO // TURN TO SET"
Permanent Location
Storage Room 0007
0007-D2-5
Dimension Notes
Length 25.1 cm x Width 16.1 cm x Depth 11.1 cm
Condition Remarks
Some corrosion on screws, dial
Copy Type
Original
Reference Types
Internet
Other
JPG
Reference Comments
"Free Patents Online" website; 010020347
CD #1
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; this item was donated by Dr. Roland Lafleche; the original Wig-L-Bug was patented in 1940; the inventor claimed that the amalgamator could produce an amalgam in only seven seconds, compared to the ninety seconds it took previously; instead of a mere vibrator, the capsule holding the metals and mercury would have the direction of its axes changed, and be moved in every essential way to produce a thorough amalgam
Images
Less detail

137 records – page 1 of 14.