. Bulletin - United States National Museum. Science. I igure 23. Bxhibii on m rsing boi rLES and measures to promote child health the once- common diseases of childhood, rhis display was completed in ig6s Smithsonian photo | â â ,., I angle, hydraulic and air-turbine handpiece model"1 which revolutionized the field of instrumentation foi dental surger) (with speeds ol !00, I to -100,000 rpm). 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 handpi
. Bulletin - United States National Museum. Science. I igure 23. Bxhibii on m rsing boi rLES and measures to promote child health the once- common diseases of childhood, rhis display was completed in ig6s Smithsonian photo | â â ,., I angle, hydraulic and air-turbine handpiece model"1 which revolutionized the field of instrumentation foi dental surger) (with speeds ol !00, I to -100,000 rpm). 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 Paul H. Tanner and Oscar 1'. NageJ of the Naval Dental School in 1956. Also underway is the reconstruction of the offices of famous dentists such as G. V. Black and the lather of American orthodontia. Edward II. Angle, using their original equipment and instruments. In addition, an exhibit is planned to include x-ray tubes and the electric dental engine, the first to be operated in a human mouth bv the pioneer dentist on dental skiagraphy, Charles E. Kells (1856 19 ! so Nelson, Pelander, and Kumpula, "Hydraulic Turbine Contra-ant;lc Handpiece," pp. 324-329. 3. The 11 mi '>i Pharmacei m m History will feature exhibits on the reconstruction ol i«" pharmacy shops: an I8th-centur) apothecary shop, originally from Germany, with a verj elegant collection of drug jars, decorated medicinal botdes, balances, mortars and pestles, and other tools and da uments pertaining to the apothei arj art, and a late I9th-i entur) Ameri- can drugstore with shelves filled with patent medicines and drug containers of v arious sizes and shapes. I hi window will also feature Symbols of pharmacy and beautiful show globes. Displays will show the devel- opment of antibiotics and the early tools used in the tun- of the so-called "miracle drugs," includ- ing i mold from Sir Alexander Fleming, the discoverer of penicillin. In addition, a platf
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