What inventions did Cornelius Drebbel invent?

Drebbel, Cornelius Jacobszoon, 1572-1634, Dutch inventor, physicist, and mechanician. His major inventions were an atmospherically driven clock and the first navigable submarine; the first voyage was in 1620 in the River Thames, London. His other inventions include thermostats used to make self-regulating ovens and a working thermometer, as well as various optical instruments including the first microscope He also discovered a process for making scarlet dye that was used for many years by his children in the dye industry.

Drebbel did not actually invent the submarine. He constructed the first workable submarine using the 1578 plans of English mathematician William Bourne.
Cornelius van drebbel is an inventor who invented the submarine. He was born in 1572 in Alkmaar Netherlands. He also was a philosopher and physicist.