pneumatic dental drills

Made:
1970-1980

Two small high-speed pneumatic powered dental drills fitted with air bearings. Both are sectioned to reveal channels for compressed air and for air and water cooling and each mounted on its own board with a magnifying glass to give an enlarged vew of the air turbine which gives an operating speed of 500,000 rpm at 55 psi. Made 1970-80.

Details

Category:
Hand and Machine Tools
Object Number:
1997-472
Measurements:
case: 1.9685 x 13.77953 x 7.87402 in.; cm
type:
drills
credit:
Science Museum. Circulation Dept.
status:
Permanent collection

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