wife, being ill was advised to take some soup made of the flesh of frogs.
Several of these animals, recently skinned for that purpose, were lying on a
table in his laboratory, near an electrical machine, with which a pupil of
the professor was amusing himself in trying experiments.
the machine was in action, the student chanced to touch the bare nerve of the
leg of one of the frogs with the blade of a knife that he held in his hand,
when suddenly the whole limb was thrown into violent convulsions.