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dental auto-mallet

https://mhc.andornot.com/en/permalink/artifact13403
Dates
1943
1950
circa 1943-1950
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020281 a-k
Description
McKenzie automatic amalgam condenser; clear rectangular plastic holder (a) with spaces for handpiece, condenser points; silver metal handpiece (b) with specially-designed black metal latch over tip; concentric ridged circles along bottom half, before cylindrical handpiece curves at a slight angle, …
  4 images  
Accession Number
010020281 a-k
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Dental Instruments
MM= Dentistry, Operative -- mallet
Description
McKenzie automatic amalgam condenser; clear rectangular plastic holder (a) with spaces for handpiece, condenser points; silver metal handpiece (b) with specially-designed black metal latch over tip; concentric ridged circles along bottom half, before cylindrical handpiece curves at a slight angle, ending with a round opening; six silver metal condenser points fit into handpiece; one with curved end (c), one with oval end (d), one with flaring round, flat end (e), one with rounded, circular end (f), two with flat, round ends (g, h); two cylindrical driving cams (i, j) hold points in handpiece; white rectangular instruction sheet (k), printed with black ink on one side, states product's advantages, parts and directions
Number Of Parts
11
Part Names
a - holder - Size: Length 9.3 cm x Width 3.1 cm x Depth 0.9 cm
b - handpiece - Size: Length 8.2 cm x Width 1.5 cm x Depth 1.0 cm
c - condenser point - Size: Length 1.7 cm x Width 0.4 cm x Depth 0.2 cm
d - condenser point - Size: Length 1.7 cm x Width 0.3 cm x Depth 0.2 cm
e - condenser point - Size: Length 1.7 cm x Diam. 0.3 cm
f - condenser point - Size: Length 1.7 cm x Diam. 0.2 cm
g - condenser point - Size: Length 1.7 cm x Diam. 0.2 cm
h - condenser point - Size: Length 1.7 cm x Diam. 0.2 cm
i - cam - Size: Length 0.5 cm x Diam. 0.2 cm
j - cam - Size: Length 0.5 cm x Diam. 0.2 cm
k - sheet - Size: Length 27.9 cm x Width 9.2 cm x Depth 0.1 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
Facility Products
Site Made (City)
Miami
Site Made (State)
Florida
Site Made (Country)
United States of America
Dates
1943
1950
circa 1943-1950
Date Remarks
Based on patent date
Material
metal: silver, black
plastic: clear
paper: white
ink: black
Inscriptions
(b) Engraved near bottom: "THE DENTAL SPECIALTY MFG. CO"
Permanent Location
(a-j): Storage Room 0010
0010-B
(k): Storage Room 2005
2005-2-5 Box 22
Condition Remarks
Sheet (k) is worn at edges, folds; metal on (b) tarnished
Copy Type
Original
Reference Types
Person
Internet
JPG
Reference Comments
James G. Brass; "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. James G. Brass from Comox, British Columbia; his father was a classmate of the inventor of this product, Olin G. McKenzie, at Northwestern University in the late 1930s; this item was patented in 1943; its primary objective was to provide a simple and efficient plugger construction which can be used in an ordinary drilling handpiece, specifically only with a change in the latch, not the handpiece itself
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Phillips' Milk of Magnesia tooth powder

https://mhc.andornot.com/en/permalink/artifact13366
Dates
1930
1950
circa 1930-1950
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020244 a-b
Description
Empty physicians' sample tin of Phillips' Milk of Magnesia tooth powder; oval white and blue metal container (a) with product information, directions, manufacturer's information printed with red and blue ink; tapers to silver metal top with round opening; round silver metal twist cap (b) with ridge…
  2 images  
Accession Number
010020244 a-b
Collection
Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
MeSH Heading
Oral Hygiene
Toothpastes
Toothbrushing
Description
Empty physicians' sample tin of Phillips' Milk of Magnesia tooth powder; oval white and blue metal container (a) with product information, directions, manufacturer's information printed with red and blue ink; tapers to silver metal top with round opening; round silver metal twist cap (b) with ridged sides at top
Number Of Parts
2
Part Names
a - bottle - Size: Length 8.4 cm x Width 3.8 cm x Depth 2.0 cm
b - cap - Size: Depth 1.1 cm x Diam. 1.7 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
Maker
The Chas. H. Phillips Chemical Co.
Site Made (City)
Glenbrook
Site Made (State)
Connecticut
Site Made (Country)
United States of America
Dates
1930
1950
circa 1930-1950
Date Remarks
Based on packaging
Material
metal: silver
enamel: white, blue, red
Inscriptions
(a) Printed on bottle: "Phillips' // MAGNESIA // Tooth // Powder // T.M. REG. U.S. PAT."; printed on back: "DIRECTIONS // Apply powder on moistened // brush. Brush teeth away from // gums toward biting edges. // Contains over 75% genuine // Phillips' Milk of Magnesia in // dry concentrated form. Helps // protect teeth from harmful // mouth acids. // KEEP CAP TIGHTLY CLOSED // THE CHAS. H. PHILLIPS CHEMICAL CO. // successors to Chas. H. Phillips NEW YORK // MADE IN U.S.A."
Permanent Location
Storage Room 0010
0010-A3-6
Temporary Location
With MHC Education Program “Yum, Yum, Munch” stored in Rm 2017
Condition Remarks
White enamel on container is darkened; bottom of container and top of cap are slightly tarnished.
Copy Type
Original
Reference Types
Internet
JPG
Reference Comments
"Stamford Historical Society" 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; Charles Henry Phillips (1820-1882) was an English pharmacist who invented milk of magnesia in the late 19th century, popular as an antacid and laxative; the Charles H. Phillips Chemical Co. was incorporated in 1885; it was believed that the anti-acid properties of milk of magnesia would help combat acids in the mouth
Exhibit History
On exhibit, "Teeth in Time," Case #3, 29 March 2011 - November 2014
Images
Less detail