Electro-physiology and electro-therapeutics : showing the best methods for the medical uses of electricity / By Alfred C. Garratt.

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CONTENTS. CHAPTER I. Natural Electricity. — Its Characters.—Sources of Electricity. — Thales the first Discoverer. — Electricity at Rest. — In Motion. — Nature of Electricity. — Frank- lin's Theory. — Symmer's. — De la Rive's. — Thermo-electricity. — Thermo-cube. — Static Electricity. —Dynamic Electricity. —Laws of Electricity. — Sparks and Currents.— Atmospheric Electricity. — Franklin's great Experiment. — Sparks from the Clouds. — The Clouds. — Thunder Storms. — Fogs. — Relation of Elec- tricity to the Air and the Earth. — Aurora Borealis. — Meteorology. — Storms. — Storm Tables. — Atmospheric Hydrometer. — Difference oetween Electricity and Magnetism.—Weather Prognosis. — Lightning. — Safety from Lightning. — Effects on the Human Organism. — Effects of Atmospheric Electricity on the Human Organism. — As regards Births and Deaths. — Electric Changes the Cause of Epidemic Diseases. — Researches of Sir James Murray 15 CHAPTER II. Early History of the Medical Uses of Electricity. — One Hundred Years ago.— Pliny. — Discovery of the " Leyden Vial." — First Trial of Shocks. — Treatise by Dr. Matiduit in 1778. —Electropathy advocated in 1802.— Electric Bath. —Med- icines placed in the Prime Conductor. — The prevailing Superstition of that Age. — History of the Discovery of Galvanism. — Early Medical Uses of Galvanic Electricity. — Animal Electricity. — Galvani's Frog.—His Nervo-electric The- ory. — Convulsions produced in a dead Frog. — Professor Volta's Views of the Phenomenon.—Views of Alexander von Humboldt in 1799.—Volta discovers the Pile. — Sir H. Davy's Researches. —Discussion between Galvani and Volta. — Dr. Aldini's Experiments. — Nobili's Researches. — Vallio's Researches.— History of Electro-physiological and Electro-therapeutical Researches.—Views of Ritter. — Researches of Marianini and Nobili.—Researches of Dubois-Rey- mond.—Researches of Matteucci and Becquerel 65 CHAPTER III. Electrical Instruments and Apparatus for Medical Purposes. — Three Classes of Instruments.—Electricity from Friction. — Electricity from Chemical Action.— Electricity from Induction. — Electrical Machine. — Leyden Jar.—Dischargers, Insulators, &c. — Galvanic Electricity and the Apparatus. — Volta's Pile.— Cruikshank's and other Batteries illustrated. — Galvanometer. — Galvanoscopic Frog. — Static Electricity as it relates to Medicine. — Electric Induction.—Di- rection of the Current.— Quantity and Intensity. — Electric Heat. — Induction