. Eight lectures on the signs of life from their electrical aspect. Electrophysiology. APPENDIX 161 which accordingly moves in a horizontal direction, corresponding with the vertical descent of the sensitive plate. In this manner a simultaneous record may be obtained, , of a series of muscular contractions along with the negative variations of the muscle - current ; or, again, of contraction and heat (by means of a thermo- galvanometer) ; or of the contractions of a muscle and the negative variations of its nerve ; etc., etc. LARGE DARK ROOM. W/////////S FIG. 64. In the Physiological Labor
. Eight lectures on the signs of life from their electrical aspect. Electrophysiology. APPENDIX 161 which accordingly moves in a horizontal direction, corresponding with the vertical descent of the sensitive plate. In this manner a simultaneous record may be obtained, , of a series of muscular contractions along with the negative variations of the muscle - current ; or, again, of contraction and heat (by means of a thermo- galvanometer) ; or of the contractions of a muscle and the negative variations of its nerve ; etc., etc. LARGE DARK ROOM. W/////////S FIG. 64. In the Physiological Laboratory of the University of London the apparatus described above is disposed according to the following plan, so as to afford two complete working tables with two pairs of galvanometers and accessory apparatus :— The galvanometers Gl to G5 are placed on brackets along one. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Waller, Augustus Désiré, 1856-. New York : E. P. Dutton
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