[f. STETHO- + -GRAPH.] An instrument for automatically recording the movements of the chest in breathing; a recording stethometer; also called pneumograph.
1876. trans. von Ziemssen’s Cycl. Pract. Med., IV. 352. The results … that I [sc. Riegel] have obtained by means of the graphic method of investigation, undertaken with my simple and double stethograph.
1900. W. S. Hall, Text-bk. Physiol., 200. The Stethograph. Ibid., Fig. 124 Stethograph tambour.
So Stethographic a., pertaining to or made by the stethograph; Stethography, the action or use of the stethograph.
1875. trans. von Ziemssen’s Cycl. Med., IV. 284. Stethography, introduced by myself [i.e., Riegel], elicits results … not altogether insignificant.
1890. Nature, 9 Oct., 581/2. A paper on stethographic tracings of … respiratory movements.
