Great improvements were also made in the hoisting cages used to extract ore and transport the miners to their work.

Leaching by ground water can extract ore minerals and redeposit them, according to the water table, in concentrated form.

He designed wind-driven propellers and water pumps, mining machines to extract ore, hydraulic presses, lamps, submarines, clocks, etc.

The challenge of extracting ore from the bowels of the earth, and the courage the job required, defined who he was.

In addition, extracted ores became important in wide commercial and exchange operations.