[T]he balls sent by this gun are not ordinary balls, but little cases of glass. These glass cases are covered with a case of steel, and weighted with a pellet of lead; they are real Leyden bottles, into which the electricity is forced to a very high tension. With the slightest shock they are discharged, and the animal, however strong it may be, falls dead.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "[T]he balls sent by this gun are not ordinary balls, but little cases of glass. These glass cases are covered with a case of steel, and weighted with a pellet of lead; they are real Leyden bottles, into which the electricity is forced to a very high tension. With the slightest shock they are discharged, and the animal, however strong it may be, falls dead." in the context of "Jules Verne, Twenty Thousand Leagues Under the Sea, (1870), unabridged translation of Vingt milles lieues sous les mers based on the original French texts published in Paris by J. Hetzel et Cie. over the period 1869–71. Translated from the Original French by F. P. Walter." to mean that wisdom is timeless.