PNEUMOGRAPH
An Illustrated Encyclopedic Medical Dictionary · 1894 · p. 13
n. Nu2m'o-gra3f. From wvtvutov, the lung, and ypd eiv, to write. Fr., pneumographe. Ger., P. An instrument, devised by Marey and modified by Bert, to show the movements of the chest in respiration. It consists of a hollow cylinder with ends of sheet rubber, and pa ing from these ends a band which encircles the animal. Connected with the inside of the cylinder is a tube that pa es to a registering apparatus by means of which a tracing is obtained. [J, 3, 5, 19.] [s. 297]
Readham'da tam maddeyi gor →