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The years 1812 and 1813 saw him in Germany and France again, but on this visit to Berlin he did not seek out the philosophers as he had on his first journey.

In Berlin he published his views of the chemical laws of nature in German and this was issued in French translation ( Paris, 1813 ) under the title Recherches Sur l'identite Des Forces chimiques et electriques, a work held in very high esteem by the new generation of research chemists.

His interest in finding a relationship between voltaic electricity and magnetism is here first indicated.

Chapter 8, is entitled `` On Magnetism '' and in it are included such remarks as, `` One has always been tempted to compare the magnetic forces with the electrical forces.

The great resemblance between electrical and magnetic attractions and repulsions and the similarity of their laws necessarily would bring about this comparison.

It is true, that nothing has been found comparable with electricity by communication ; ;

but the phenomena observed had such a degree of analogy to those depending on electrical distribution that one could not find the slightest difference.

The form of galvanic activity is halfway between the magnetic form and the electrical form.

There, forces are more latent than in electricity, and less than in magnetism.

But in such an important question, we would be satisfied if the judgment were that the principal objection to the identity of forces which produce electricity and magnetism were only a difficulty, and not a thing which is contrary to it.

One could also add to these analogies that steel loses its magnetism by heat, which proves that steel becomes a better conductor through a rise in temperature, just as electrical bodies do.

It is also found that magnetism exists in all bodies of nature, as proven by Bruckmann and Coulomb.

By that, one feels that magnetic forces are as general as electrical forces.

An attempt should be made to see if electricity, in its most latent stage, has any action on the magnet as such ''.

His plan and intent were clearly charted.