Text Appearing Before Image: ls, took a pen and wrote on the paper atthat point where the plethysmograph had marked thedisturbance in the circulation caused by his appearance,Der Loive kommt ( Enter the lion ). in In order to show more clearly the perpetual changesof locality which the blood undergoes, accumulatingnow in one, now in another part of the body, I con-structed a balance of such a size that the beam (madeof wood) was sufficiently long and broad to allow of amans lying at full length upon it, as may be seen infig. 2. By means of the weights, B, which run alongthe edge of the couch (moving upon the fulcrum, E),it is easy, when the centre of gravity of the body isnearly in the middle of the balance, to keep a man inequilibrium. In order to prevent the balance swayingfrom side to side at every little oscillation, I had toaffix a heavy counterpoise of metal, /, which can bemoved up or down upon the screw, GH, fixed verticallyin the middle of the plank, D G, and firmly held by thelateral bars, ML. 96 FEA.ll Text Appearing After Image: PALLOR AND BLUSHING 97 The centre of gravity of the balance is placed inthis way so low down that it no longer sways at everylittle oscillation, the counterpoise, which moves inverselyto the inclination of the balance, by its weight drawingthe plank with it, and bringing it again into a horizontalposition. I made the balance so sensitive that it os-cillated according to the rhythm of respiration. If one speaks to a person while he is lying on thebalance horizontally, in equilibrium and perfectly quiet,it inclines immediately towards the head. The legsbecome lighter and the head heavier. This pheno-menon is constant, whatever pains the subject maytake not to move, however he may endeavour not toalter his breathing, to suspend it temporarily, not tospeak, to do nothing which may produce a more copiousflow of blood to the brain. It was always a pleasant sight to my colleagues,visiting me during my researches, when they foundsome friend or acquaintance sleeping on the balance.In the afterfearange00moss
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