. Fig-. 35. Scheme of Jacquet's sphygniog^raph. toward the hand. The instrument slips into groove C of base, and thumb-screw D is turned into socket E. The paper, shown in cross section at F, runs between the roller G and two small wheels above it. Clock for moving paper is wound by means of large thumb-nut H, started and stopped by lever at /, and lever / gives a change of speed. Clockwork for time marker L, is wound by means of thumb- nut K, and gives fifths of a second. M is a clasp for hold- ing L up out of harm when not in use. Button iV is pressed on artery by cam wheel P, turned by thum
. Fig-. 35. Scheme of Jacquet's sphygniog^raph. toward the hand. The instrument slips into groove C of base, and thumb-screw D is turned into socket E. The paper, shown in cross section at F, runs between the roller G and two small wheels above it. Clock for moving paper is wound by means of large thumb-nut H, started and stopped by lever at /, and lever / gives a change of speed. Clockwork for time marker L, is wound by means of thumb- nut K, and gives fifths of a second. M is a clasp for hold- ing L up out of harm when not in use. Button iV is pressed on artery by cam wheel P, turned by thumb-nut Q, to vary the pressure. Movements of iV, are transmitted through rod R, to lever S, turning on axis T, thence to lever U.
Size: 2707px × 1847px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectphysiology, bookyear1
