air-turbine

This hydraulic turbine of Dr. Robert J. Nelson and associates of the National Bureau of Standards set the design pattern for the remarkable and successful high-speed, air-turbine handpiece developed by

History of the Division of Medical Sciences United States National Museum Bulletin 240, Contributions from the Museum of History and Technology, paper 43, 1964 Sami Khalaf Hamarneh

Exhibits on the development of dentistry and dental surgery will display examples of tooth-filling and extracting tools, drilling apparatus from the early hand and foot engines to the first ultrasonic cutting instrument (1954), and the original contra-angle, hydraulic and air-turbine handpiece model [20] which revolutionized the field of instrumentation for dental surgery (with speeds of 200,000 to 400,000 rpm).

History of the Division of Medical Sciences United States National Museum Bulletin 240, Contributions from the Museum of History and Technology, paper 43, 1964 Sami Khalaf Hamarneh

Miniature electronics and bearings -- used for portable radio and television; excessively small roller, needle and ball bearings used for such equipment as air-turbine dental drills.

The Practical Values of Space Exploration Report of the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-Sixth Congress, Second Session United States. Congress. House. Committee on Science and Astronautics.

The only air-turbine I’ve ever seen is the last-resort RAT ram-air turbine on the British Vulcan Bomber.

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