. A text-book of human physiology . Fig. 3.—Tlie mercviry manome-ter, provided with a writingpoint for recording tlie levelof the mercury in the limb(6) of the Fig. 4.—Blood pressure curve taken from a rabbit. .4, the line of no pressure; T, the timerecorded in seconds; D, the pressure tracing. To be read from right to left. THE GRAPHIC METHOD 9 constant but shows incessant variations corresponding to the heart beats, respira-tory movements, etc. These variations produce osciUations in the mercury col-umn, which are recorded by placing on the free surface of the mercury a float (s)to wh
. A text-book of human physiology . Fig. 3.—Tlie mercviry manome-ter, provided with a writingpoint for recording tlie levelof the mercury in the limb(6) of the Fig. 4.—Blood pressure curve taken from a rabbit. .4, the line of no pressure; T, the timerecorded in seconds; D, the pressure tracing. To be read from right to left. THE GRAPHIC METHOD 9 constant but shows incessant variations corresponding to the heart beats, respira-tory movements, etc. These variations produce osciUations in the mercury col-umn, which are recorded by placing on the free surface of the mercury a float (s)to which is attached a light rod carrying at its upper end a writing point. Thewriting point is adjusted so as to scratch a tracing on a lightly smoked, revolving
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectphysiology, bookyear1
