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Dates
1940
1970
circa 1940-1970
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020164
Description
Empty cylindrical clear glass bottle for dental mercury; bottle tapers inward at neck, round opening at top; neck is smooth, translucent glass; white rectangular paper label at front in middle printed with red ink and bordered with silver ink states manufacturing information; round brown wooden cor…
  3 images  
Accession Number
010020164
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Materials
Mercury
Description
Empty cylindrical clear glass bottle for dental mercury; bottle tapers inward at neck, round opening at top; neck is smooth, translucent glass; white rectangular paper label at front in middle printed with red ink and bordered with silver ink states manufacturing information; round brown wooden cork in bottle neck; silver mercury remnants inside.
Number Of Parts
1
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
1940
1970
circa 1940-1970
Date Remarks
Based on similar item
Material
glass: clear
wood: brown
paper: white
ink: red, silver
Inscriptions
Printed on front: "CAULK // TWENTIETH CENTURY // MERCURY // CHEMICALLY PURIFIED // FREED FROM ALL OTHER METALS"; embossed on bottom: "138 // 2"
Permanent Location
Storage Room 0010
0010-A3-6
Temporary Location
MHC 2017 Public Program: Seniors Program - Say Cheese: History of Dentures and Dental Health, July 2017
Dimension Notes
Length 6.5 cm x Diam. 4.4 cm
Condition Remarks
Paper label very darkened, faded; mercury remnants sealed inside
Copy Type
Original
Reference Types
Other
Book
JPG
Reference Comments
010020163; "Material in Dentistry: Principles and Applications, 2nd ed.", Jack L. Ferracane, 2001, pp. 4, 122
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; dental silver is used in the creation of amalgam fillings, which consist of 40-50% liquid mercury mixed with one or more metals; amalgams were first used in France in the early 19th century, but the modern 'recipe' was perfected by Dr. G. V. Black in the 1890s in Chicago; the metal usually contains a high percentage of silver (around 70%) and a mix of tin, copper and zinc; high copper amalgams are also available, where the silver content is much lower (as low as 40%) and the copper much more prevalent
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