Grigg's magnetic machine,circa 1873

Numéro d’image : 11672910
Grigg's magnetic machine,circa 1873
Grigg's conical electro-magnetic machine,in its case. The machine dates from around 1873,England. Devices such as this one were used in the historical medical discipline of 'galvanism',to cure nervous diseases. Galvanism is the therapeutic application of electric currents to the body to stimulate muscle contraction,it was a popular branch of quack medicine throughout the nineteenth century and its use continued until the early 1900s. Galvanism takes its name from Italian physiologist,Luigi Galvani (1737-98) who discovered that electric currents could affect muscle activity in dissected animals. Today,the study of the electrical properties of cells and tissues is known as electrophysiology
Licence : Droits gérés
Crédit: Science Photo Library
Taille de l’image : 3589 px × 4870 px
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