2.
Each metal has a certain power, which is different from metal to metal, of setting the electric fluid in motion.
Alessandro Volta
3.
What is it possible to do well, in physics particularly, if things are not reduced to degrees and measures?
Alessandro Volta
4.
I continue coupling a plate of silver with one of zinc, and always in the same order... and place between each of these couples a moistened disk. I continue to form a column. If the column contains about twenty of these couples of metal, it will be capable of giving to the fingers several small shocks.
Alessandro Volta