Dr. Ralph and Mrs. Olga Crawford Canadian Dental Collection
Category
Diagnostic & Treatment Artifacts
Classification
Dental
Accession Number
010020065 a-f
Description
Metal foot-powered dental drill; grey three-legged base with foot pedal attached (a); pedal has yellow metal squares nailed in at top and bottom with criss-cross pattern; black-enamelled metal pole attaches foot pedal to wheel, which spins when foot pedal is pushed down; black-enamelled wheel has d…
Metal foot-powered dental drill; grey three-legged base with foot pedal attached (a); pedal has yellow metal squares nailed in at top and bottom with criss-cross pattern; black-enamelled metal pole attaches foot pedal to wheel, which spins when foot pedal is pushed down; black-enamelled wheel has decorative cut-out circles along top edge, four curved spokes, remnants of gold decoration around edges and is attached to upright support; dental drill (b) made up of removable silver metal handpiece (d) , coiled tube and metal end attached to black fabric-covered rubber tube leading to silver metal attachment with wheel at end; silver metal pole (c) with another pole inside attached to base; screw (f) attaches to pole to adjust height; grey and purple fabric belt (e) attaches to wheels
Number Of Parts
6
Part Names
a - base - Size: Length 50.0 cm x Width 44.0 cm x Depth 24.0 cm
b - drill - Size: Length 92.0 cm x Width 12.0 cm x Depth 1.2 cm
c - pole - Size: Length 70.5 cm x Width 6.8 cm x Depth 3.6 cm
d - handpiece - Size: Length 14.0 cm x Width 1.1 cm x Depth 1.1 cm
e - belt - Size: Length 1.24 m x Diam. 0.2 cm
f - screw - Size: Length 2.3 cm x Width 2.0 cm x. Depth 2.0 cm
Provenance
Transfer from the Dental Canada Fund; previously housed in the Dentistry Canada Museum (Ottawa)
(b) Engraved on attachment: "C. ASH & SONS // ENGLAND"; "C. ASH & SONS // ENGLAND"; (d) engraved on handpiece: "THE S.S. WHITE DENTAL MFG. CO. // PAT'D OCT.30.83 JAN.8.84"; "THE S.S. WHITE DENTAL MFG. CO. // PAT'D SEPT.29.85 // AUG.18.1890"; (f) engraved on screw: "C. ASH & SONS // ENGLAND"
Permanent Location
Storage Room W2
W2-536-2-1
Temporary Location
On-site exhibit: "Trench Menders: Health Care in the First World War," 25 Feb, 2015.
Condition Remarks
Enamel heavily chipped, almost gone from wheel and base; criss-cross pattern faded on pedal; fabric covering tube on (b) is badly fraying; rubber cracking where fabric has exposed it; metal tarnished on (b), (d)
Copy Type
Original
Reference Types
Book
Person
JPG
Reference Comments
“S.S. White Dental Catalog, Catalog-B”, S.S. White Dental Mfg. Co., 1917, p. 2-3 (similar to S.S. White Cable Engine); "James Beall Morrison: The Visionary who Revolutionized the Practice of Dentistry", Malvin E. Ring and Neal Hurley, Journal of the ADA, 2000:131, p. 1165-66
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; the foot-powered dental drill was patented in 1871 by American inventor James Beall Morrison; this item was donated by Dr. Arthur Tinginys from London, Ontario