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15. J

14. Duchenne's Large Uncovered Instrument

16. Front view of the above

Duchenne's Small Volta-Faradic Instrument

41

44

46

17.

18.

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46. The same (after treatment)

47. The same (writing)

48. Case of Traumatic Paralysis (before treatment) 49. The same (during treatment)

50. The same (after treatment)

51. Infantile Paralysis

52. The same

53. Direct View of Foot in Infantile Paralysis 54. Side View

55. Another Case

56. Atrophic Paralysis of Muscles of Shoulder

57. Atrophic Paralysis of Deltoid

58. Muscles Developed by Faradization

59. Atrophic Paralysis of Hand (before treatment) 60. The same (after treatment)

61. Case of Torticollis

62. Another Case.

63. Contraction of Rhomboid (before treatment) 64. The same (after treatment)

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A HANDBOOK

OF

MEDICAL ELECTRICITY.

CHAPTER I.

MEDICAL ELECTRICITY AND ELECTRO-MEDICAL INSTRUMENTS.

THE almost complete absence in the medical schools of the great hospitals of opportunities for an adequate study of electro-therapeutics, the importance of the subject, and the wide-spread attention that it is awakening throughout the profession, have determined me to sketch as briefly as is consistent with clearness the present position of the science and practice of medical electricity, and especially of its practice.

I need hardly recall to mind, that until quite recently, to venture to speak of electricity as a curative power was pretty certain to result in the speaker being branded as little better than a quack; and even now, although this universal scepticism

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