It often happens that the mind of a person who is learning a new science has to pass through all the phases which the science itself has exhibited in its historical evolution. — Stanislao Cannizzaro Copy Share Image
It often happens that the mind of a person who is learning a new science has to pass through all the phases which the… — Stanislao Cannizzaro Copy Share Image
Compare ... the various quantities of the same element contained in the molecule of the free substance and in those of all its different… — Stanislao Cannizzaro Copy Share Image
