Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . - those who arescientifically recording the results of its administration. For the past few years I have devoted considerable attention to the. Fig. 174—Holtz Induction Machink, as Improved by the Author. improvement of the Holtz Induction ^Machine. Some of the results ofni} experimentation have already been published. The machine nowdescribed (Fig. 174) is in some respects an improAement npon the onewhich I originally introdu
Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . - those who arescientifically recording the results of its administration. For the past few years I have devoted considerable attention to the. Fig. 174—Holtz Induction Machink, as Improved by the Author. improvement of the Holtz Induction ^Machine. Some of the results ofni} experimentation have already been published. The machine nowdescribed (Fig. 174) is in some respects an improAement npon the onewhich I originally introduced to the profession through the MedicalRecord of October 17, I have modified the charger originally usedby me, so that it now bears upon the outer revolving plates above themetal combs, instead of passing between the central revolving plates. Ihave found that the application of cat-skin at this point on the outer 43 658 LECTURES OX NERVOUS DISEASES. plates awakens the machine into action (when not charged) with greaterrapidity and certainty than at an} other part of the machine. Further-more, there is no longer an} dillicult} in making the contact between thecharger and the glass when the wheels are revolving rapidly ;* while,with the old charger, the springing of tlie rubbers often rendered t
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