He lived frugally, and invested some of his money in a quicksilver mine.
Like its Spanish namesake, California's Almaden had a number of quicksilver mines.
It is named after a now-inoperative quicksilver mine of the same name.
During this time period, over 450 Chinese immigrants were employed to work the area's quicksilver mines.
Another local industry was the mines at the Potzberg, along with a quicksilver mine in Gimsbach itself.
With the opening of the quicksilver mines in the Potzberg area, workers' dwellings also sprang up.
The quicksilver mine was partially an open pit and partially a tunneling operation.
"To the old quicksilver mines, to mountain retreats, a few peasant holdings."
Within Oberweiler's own limits was a quicksilver mine.
With the opening of the quicksilver mines in the Potzberg area, workers' families also settled here.