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electric gold annealer

https://mhc.andornot.com/en/permalink/artifact13339
Dates
1930
1950
circa 1930-1950
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020217
Description
Electric dental gold annealer consists of rectangular beige-painted brown wooden base with silver metal screws at bottom corners; raised metal circle at front on base; silver metal handle with black wooden tip passes over circle to turn on annealer; silver metal rectangular tray with lid mounted to…
  4 images  
Accession Number
010020217
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Equipment
Dental Materials
Dental Casting Technic
Description
Electric dental gold annealer consists of rectangular beige-painted brown wooden base with silver metal screws at bottom corners; raised metal circle at front on base; silver metal handle with black wooden tip passes over circle to turn on annealer; silver metal rectangular tray with lid mounted to base; lid is raised upward and back by four black metal wires, one with black wooden knob on end; perforated metal surface covered by thin layer of clear plastic inside tray; grey and white fabric-covered electric wire coming from back leads to brown plastic and brown metal plug; manufacturer's information engraved on plaque screwed to front of annealer; thin black rubber wires lead from back of tray to underneath base.
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Garhart Dental Specialty Co.
Site Made (City)
Boston
Site Made (State)
Massachusetts
Site Made (Country)
United States of America
Dates
1930
1950
circa 1930-1950
Date Remarks
Based on similar item
Material
metal: silver, yellow, black
wood: brown, black
paint: beige
fabric: grey, white
plastic: brown, clear
rubber: black
Inscriptions
Engraved at front: "GARHART // ELECTRIC ANNEALER"; engraved on prongs of plug: "SPRING ACTION // PATENTED // MADE IN U.S.A. // 125V.-15A."
Permanent Location
Storage Room 0010
0010-B
Dimension Notes
Length 10.5 cm x Width 8.1 cm x Depth 6.5 cm
Condition Remarks
Metal is slightly tarnished; wood knob is worn; fabric is faded
Copy Type
Original
Reference Types
Other
Person
JPG
Reference Comments
010020215; Dr. Frank Tropea
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; this item was donated by Dr. Frank Tropea from Toronto, Ontario; he states the item was given to him by a Dr. Layour; it was owned by his father, Dr. Ellis Layour, who practiced in Winnipeg in the early 20th century.
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pair of magnifying eyeglasses

https://mhc.andornot.com/en/permalink/artifact13343
Dates
1920
1960
circa 1920-1960
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020221
Description
Silver metal pair of magnifying eyeglasses consist of two clear glass square lenses mounted in square brackets on top of hollow cylinders; screw-like curved piece of metal between cylinders with a ridged knob in centre; spinning knob adjusts distance of lenses from each other; lenses connect via tw…
  4 images  
Accession Number
010020221
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Eyeglasses
Vision
Dental Equipment
Description
Silver metal pair of magnifying eyeglasses consist of two clear glass square lenses mounted in square brackets on top of hollow cylinders; screw-like curved piece of metal between cylinders with a ridged knob in centre; spinning knob adjusts distance of lenses from each other; lenses connect via two pieces of rectangular metal to a piece of metal shaped with two semi-circles, to rest on the cheekbones, and a curved piece in the middle, to sit on the bridge of the nose; two cylindrical handles, covered in white rubber, with curved ends to sit behind the ears; handles fold inward to make glasses more portable.
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
American Optical Company
Site Made (City)
Southbridge
Site Made (State)
Massachusetts
Site Made (Country)
United States of America
Dates
1920
1960
circa 1920-1960
Date Remarks
Based on design
Material
metal: silver
glass: clear
rubber: white
Inscriptions
Engraved on side: "AMERICAN OPTICAL CO // U.S.A"
Permanent Location
Storage Room 0010
0010-B
Dimension Notes
Length 20.5 cm x Width 16.5 cm x Depth 6.0 cm
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
Less detail