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portable dental operating light

https://mhc.andornot.com/en/permalink/artifact13101
Dates
1940
1950
circa 1940-1950
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020012 a-g
Description
Green metal portable dental operating light; light bulb surrounded by white glass, silver metal and curved glass guard (a); black rubber electric cord hangs from light; height-adjustable top of stand (b) with lever to adjust angle of light and band of yellow paint at bottom; a middle tube (c) conne…
  2 images  
Accession Number
010020012 a-g
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dentistry, Operative -- instrumentation
Lighting
Description
Green metal portable dental operating light; light bulb surrounded by white glass, silver metal and curved glass guard (a); black rubber electric cord hangs from light; height-adjustable top of stand (b) with lever to adjust angle of light and band of yellow paint at bottom; a middle tube (c) connects top of stand to bottom (d), which has band of yellow paint at top; three tubes with red paint at tops screw into round bottom to create triangular base (e, f, g)
Number Of Parts
7
Part Names
a - light - Size: Length 36.0 cm x Width 18.0 cm x Depth 13.1 cm
b - top of stand - Size: Length 67.0 cm x Width 7.5 cm x Depth 4.4 cm
c - middle pipe - Size: Length 45.2 cm x Diam. 3.2 cm
d - bottom of stand - Size: Length 46.8 cm x Width 10.3 cm x Depth 3.2 cm
e - base support - Size: Length 46.2 cm x Diam. 2.3 cm
f - base support - Size: Length 46.2 cm x Diam. 2.3 cm
g - base support - Size: Length 46.2 cm x Diam. 2.3 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Wilmot Castle Company
Site Made (City)
Rochester
Site Made (State)
New York
Site Made (Country)
United States of America
Dates
1940
1950
circa 1940-1950
Date Remarks
Based on donors remarks
Material
metal: silver
glass: clear, white
paint: green, yellow, red
rubber: black
plastic: black
fabric: green
Inscriptions
(a) Embossed on cord: "5A.250V. // 10A.125V.", reverse: "UND.LAB.INSP. // U.S.A.PAT.1394976"; (b) engraved on light: ""Safe-Lock" // AMERICAN PROD. CO. // MADE IN U.S.A. N.Y.C."; (d) printed on unit base: "CASTLE // LIGHTS // TYPE 808 SER. 76831 // AMPS. 60W. VOLTS 24 110 // WILMOT CASTLE COMPANY // ROCHESTER, NEW YORK, U.S.A."
Permanent Location
Storage Room W2
W2-538-4-1
Condition Remarks
Paint is heavily chipped, almost gone; glass is slightly scuffed; metal on top of light slightly scratched
Copy Type
Original
Reference Types
Person
JPG
Reference Comments
Dr. Brian Barrett
CD #9
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. Brian Barrett from Charlottetown, Prince Edward Island; it was used by the Canadian Forces Dental Services
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dental operating light

https://mhc.andornot.com/en/permalink/artifact13122
Dates
1930
1940
circa 1930-1940
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020033
Description
Beige-enamelled metal dental operating light; brown metal end with electrical plug inside fits into dental unit; arm curves horizontally and comes to hinge; second arm attached to hinge leads to cylinder with two supports; round light cover bolted to supports; light cover has black-enamelled base a…
  1 image  
Accession Number
010020033
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dentistry, Operative -- instrumentation
Lighting
Description
Beige-enamelled metal dental operating light; brown metal end with electrical plug inside fits into dental unit; arm curves horizontally and comes to hinge; second arm attached to hinge leads to cylinder with two supports; round light cover bolted to supports; light cover has black-enamelled base and silver metal bottom; reflective silver metal inside light cover; thin sheet of metal with triangle cut-out surrounds light and silver metal cover protects bulb; black rubber electrical wire goes from bottom of light to cylinder beneath it; black rubber wire goes in and out of hinge
Number Of Parts
1
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Wilmot Castle Company
Site Made (City)
Rochester
Site Made (State)
New York
Site Made (Country)
United States of America
Dates
1930
1940
circa 1930-1940
Date Remarks
Based on donor's remarks
Material
metal: silver, brown
enamel: beige, black
rubber: black
Inscriptions
Printed on light: "CASTLE // LIGHTS // TYPE T-V 5 A SER. 32811 // AMPS 1 VOLTS 110-120 // WILMOT CASTLE COMPANY // ROCHESTER, NEW YORK, U.S.A."
Permanent Location
Storage Room W2
W2-538-4-1
Dimension Notes
Length 1.19 m x Width 32.5 cm x Depth 20.5 cm
Condition Remarks
Enamel scratched in places; piece broken off base; rubber coming off electrical wire
Copy Type
Original
Reference Types
Person
JPG
Reference Comments
Dr. P. Ralph Crawford
CD #9
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 light came attached to a dental unit (010.020.011) from a slightly earlier period
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dental casting flux

https://mhc.andornot.com/en/permalink/artifact13463
Dates
1940
1960
circa 1940-1960
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020342 a-b
Description
Bottle of dental casting flux; square clear glass bottle that tapers to round opening at top; rectangular yellow paper label wraps around three sides, states purpose, directions and product information printed with blue ink; black plastic twist cap (b) with ridged border at top; bottle is filled wi…
  2 images  
Accession Number
010020342 a-b
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Prosthesis
Denture, Complete
Denture, Partial
Dental Implants
MM= Dental Casting Technic -- casting materials
Description
Bottle of dental casting flux; square clear glass bottle that tapers to round opening at top; rectangular yellow paper label wraps around three sides, states purpose, directions and product information printed with blue ink; black plastic twist cap (b) with ridged border at top; bottle is filled with pink powder
Number Of Parts
2
Part Names
a - bottle - Size: Length 8.6 cm x Width 3.6 cm x Depth 3.6 cm
b - cap - Size: Depth 1.1 cm x Diam. 3.5 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Handy & Harman of Canada Ltd.
Site Made (City)
Toronto
Site Made (State)
Ontario
Site Made (Country)
Canada
Dates
1940
1960
circa 1940-1960
Date Remarks
Based on company history
Material
glass: clear
plastic: black
paper: yellow
ink: blue
Inscriptions
(a) Printed on bottle: "HANDY & HARMAN // OF CANADA LTD. // DEE GOLD // Casting Flux // For melting and // Casting Gold // KEEP COVER ON // TIGHT // HANDY & HARMAN // of Canada Limited // 141 John St., Toronto // DIRECTIONS // Aids melting and // gives life to metal. // Use in heated cru- // cible. Sprinkle on // metal before and // during melting. // KEEP FLUX // AWAY FROM // ACID FUMES. // PURPOSE // Prevents absorp- // tion of gases and // oxides. Ensures // uniform, depend- // able results. // ALL COMPLEX // GOLD ALLOYS // SHOULD BE CAST // IN A REDUCING // ATMOSPHERE."
Permanent Location
Storage Room 0010
0010-A3-6
Condition Remarks
Paper label very worn, green at one edge
Copy Type
Original
Reference Types
Internet
JPG
Reference Comments
"Industry Canada" 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; Harman & Handy established their Toronto branch in 1936
Images
Less detail