Democratic Sentinel, Volume 17, Number 40, Rensselaer, Jasper County, 20 October 1893 — Odd Echoes. [ARTICLE]

Odd Echoes.

In a cave in the Pantheon, the guide, by striking the flaps of his coat, makes a noise equal to that produced by firing a twelve-pound cannon. In the cave of Smellin, near Viborg. Finland, a stone thrown down a certain abyss makes a reverberating echo which sounds like the dying wail of some wild animal