Having started to build fountains, he’s attributed for microscope with two convex lenses & first navigable submarine in 1620!!!

Cornelis Jacobszoon Drebbel (1572 – 7 November 1633) was the Dutch builder of the first navigable submarine in 1620. Drebbel was an innovator who contributed to the development of measurement and control systems, optics and chemistry. A small lunar crater has been named after him.

In 1600, Drebbel was in Middelburg where he built a fountain at the Noorderpoort. He met there with Hans Lippershey, spectacle maker and constructor of telescopes, and his colleague Zacharias Jansen. There Drebbel learned lens grinding and optics. In 1619 Drebbel designed and built telescopes and microscopes and was involved in a building project for the Duke of Buckingham. William Boreel, the Dutch Ambassador to England, mentions the microscope that was developed by Drebbel. Drebbel became famous for his invention in 1621 of a microscope with two convex lenses. Several authors, including Christiaan Huygens assign the invention of the compound microscope to Drebbel.

Drebbel’s most famous written work was Een kort Tractaet van de Natuere der Elementen (A short treatise of the nature of the elements) (Haarlem, 1621). He was also involved in the invention of mercury fulminate. He had found out that mixtures of “spiritus vini” with mercury and silver in “aqua fortis” could explode. The invention of a working thermometer is also ascribed to Drebbel.He also built the first navigable submarine in 1620 while working for the English Royal Navy. Read more…

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