A well-informed female guide is telling us about the silver ore, and how it has been worked throughout the ages.
An old-fashioned engine.
The mining was previously extremely labour-intensive, and the working environment was just awful, e.g. the rock was loosened with fire!


The passenger lift, "Fahrkunsten" from 1881.
Two rods are moving up and down in opposition driven by a water wheel, and people are simply transporting themselves up or down by shifting platform, when these are opposing each other. At my first visit, this was actually demonstrated.
Scandinavian circular tour
Oslo - 62