The driving wheel carries, contrived by Dr. Guerin, was exhi- as usual, a series of internal cogs, bited and explained at the same which drive a spuror pinion turn- = Ineeting of the Academy. It con- ing a counter shaft, which, by sists of a hemispherical balloon two bevel gears, drives the crank… … pulleys and belt drives the end- and each patient or hospital bed less apron, the. speed of which, by means of india-rubber tubes, relative to that of the other por- and no harm will result if the parts affected are washed and so that “ pneamatic occulsion,” as itis called, may be extended tions of…
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