(1) This device became known as the Leyden jar.
(2) That electricity from a Leyden jar or an electric machine would cause the legs of a dead frog to move.
(3) This was unlike the leyden jar, which merely gave a sudden rush of current.
(4) The use of the Leyden jar was that it enables electricity to be stored.
(5) The next step was the invention of the Leyden jar.