Harrington's clockwork dental drill
1864-1870
Model of a foot operated drill, Germany, 1910-1920
1910-1920
Treadle operated drill, London, England, 1925-1940
1925-1940
Dental Treadle Drill with Flexible Cable Arm and Handpiece
1900-1930
Dental Treadle Drill used in Chiropody
1885-1920
"Alaston" air turbine dental drill
1965-1970