Pile. Tension at the two isolated extremities; at one single isolated extremity; at the two extremities reunited by a conductor. Continuous current of electricity. Poles. Direction of the current, &c.
Various modifications of the pile of Volta. Woollaston’s pile, Münch’s pile, &c. Dry piles; their application to the electroscope.
Principal effects of electricity in motion, and means of making the currents perceptible. Experiment of Oersted. Galvanoscopes.
Currents produced by heat in heterogeneous circuits. Thermo-electric piles. Thermometric graduation of thermo-electric piles.
Currents produced by the sources of statical electricity.
PROPERTIES OF CURRENTS.
Lesson 3. 1. Chemical Actions.
Definitions. Phenomena of decomposition and transference. Reaction of the elements transferred upon electrodes of different kinds.
Principles of electrotyping.
Causes of the variation of the current in ordinary piles; means of remedying this; Daniell’s pile. Bunsen’s pile.