rated is ob- considered to be laws. have a free vertical motion, and terminating in a fine stylus tained; and thus it is found that the quantity of blood pumped It is now clear that, by substituting for the first foot a which traces a line on a rotating cylinder. This apparatus does not augment… … is produced by the Arraugejueiil of tlic> Schematic Apparatus for obtaining apparatus of the cil'CU- Fig. heart under the influ- Fig. '4,—Scliematic Apparatus for Demonstrating the Circulation of the Blood. Cardiographic Tracings, lation; it is represented ence of ii. kind of sim- in Fig. 3. The…
Patents · Iron · Silk · Improved · Scientific American · Going · Trade catalogs · Fractional currency · Wrought iron · Sir titus · Colonel prejevalsky · Sewing silk · Years ago · Silk thread · Feet high
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