"It seems to me," said Ayrton, who had reclined so as to place his ear to the ground, "it seems to me that I can hear a dull, rumbling sound, like that of a wagon loaded with bars of iron."
«Il me semble, dit Ayrton, qui s'était couché de manière à poser son oreille sur le sol, il me semble entendre des roulements sourds, comme ferait un chariot chargé de barres de fer.»