. Medical electricity; a practical treatise on the applications of electricity to medicine and surgery. d to work the had experience with both modes of workingsmall machines, I find that, on the whole, the pedalarrangement is the more useful of the two. The Holtz machine has been variously modified by dif-ferent makers, and, as a rule, improved. In the Toepler-Holtz the windows have been omitted from the fixed the revolving plate are clamped at regular intervalsbrass knobs, against which some bunches of tinsel {a, a,Fig. 60) are arranged to brush. In my instrument thebr
. Medical electricity; a practical treatise on the applications of electricity to medicine and surgery. d to work the had experience with both modes of workingsmall machines, I find that, on the whole, the pedalarrangement is the more useful of the two. The Holtz machine has been variously modified by dif-ferent makers, and, as a rule, improved. In the Toepler-Holtz the windows have been omitted from the fixed the revolving plate are clamped at regular intervalsbrass knobs, against which some bunches of tinsel {a, a,Fig. 60) are arranged to brush. In my instrument thebrush attached to a is composed of brass wire, stiff enoughto scratch with some force. The original instrument wascapricious, and was not, therefore, suited to purposeswhich demand, above all things, constancy and simplest cylinder or plate machine will, however, be APPLICATIONS OF STATIC ELECTRICITY. 153 sufficient for medical uses, provided -\t works well underall circumstances. Positive or negative electricity can beobtained—positive from the prime conductor, and negative Fig. The Toepler-Holtz electrical machine in air-tight case. from the rubber. The electricity may be communicated tothe patient by conduction, or by disruptive patient placed on an insulated stool, body in com-munication with the knob of the prime conductor, or therubber cushion, becomes charged with positive or nega-tive accordingly. I am unable to discern any difference inphysiological or therapeutical effects, in the actions of thetwo forms of franklinic electricity. 154 ELECTRO-THERAPEUTICS. General —Placed on the insulatedstool, as mentioned above, the patient is more or lesshighly charged with electricity, which is silently receivedwithout pain, as it does not pass by disruption. The hairis deflected from the scalp, the surface becomes warm, thecutaneous circulation is active, the face flushed, the actionof the heart is quickened, and the pulse is m
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectro, bookyear1887
