A manual of practical medical electricity / by Dawson Turner.

Date:
1897
Catalogue details

Licence: Public Domain Mark

Credit: A manual of practical medical electricity / by Dawson Turner. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    CHAPTER IX. FARADIC ELECTRICITY. PAOE Inducing action of a magnet or of a current—Laws of induction— Faraday’s law—Lenz’s law—Extra current or counter E. M. F. of self-induction—Table of the methods of obtaining induced currents—The induction coil—Neef’s hammer—The effects of alternating currents — Magneto-electric machines — The ordinary form—Gaiffe’s—D’Arsonval’s sinusoidal currents— Dynamo currents—The transformer—Chief physical differ- ences between faradic and galvanic currents . . 107-123 CHAPTER X. SECONDARY BATTERIES. Principles of Plante and Faure cells—Charging a cell—Care of a cell—Advantages and disadvantages of secondary cells— Choice of batteries—Fixed, portable, Voltolini’s, Stoehrer’s and Reiniger’s batteries—Electricity of high potential and of great frequency of alternation—The Tesla* phenomena— How obtained—The Elibu Thompson method—Experiments with ....... 124-139 PART II. ELECTRO-PHYSIOLOGY. CHAPTER I. PHYSIOLOGICAL EFFECTS OF ELECTRICITY. Division of subject into groups—Natural electrical phenomena — Non - polarizable electrodes — Dubois - Reymond’s and D’Arsonval’s electrodes—Cutaneous currents—Muscle and nerve currents—Continuous and intermittent currents — Hermann’s view—Negative variation of Dubois-Reymond— Laws of Dubois-Reymond—Theories of Dubois-Reymond and D’Arsonval—Artificial muscle—Electrotonic currents— Effects produced by the external application of electricity —Static electricity ..... 140-146 CHAPTER II. GALVANIC ELECTRICITY. Electrotonus—Anelectrotonus—Katelectrotonus—Law of stimu- lation in the case of the human body—Polar and peripolar