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German Dutch
German-Dutch spectacle-maker Hans Lippershey invented the first refracting telescope1. -
English mathematician
William Oughtred english mathematician and Anglican minister invented the earliest form of the slide rule, two identical linear or circular logarithmic scales held together and adjusted by hand. -
French physician
Jean-Baptiste Denys invents a method for blood transfusion1. -
Italian engineer and architect
Giovanni Branca invented a steam turbine1.
1629: English astronomer and mathematician W. Gascoigne invented the micrometer1. -
Dutch builder
Cornelis Jacobszoon Drebbel was a Dutch engineer and inventor. He was the builder of the first operational submarine in 1620 and an innovator who contributed to the development of measurement and control systems, optics, and chemistry. -
English astronomer and mathematician
W. Gascoigne invents the micrometer1. -
French mathematician Blaise Pascal
invents the adding machine1 -
Italian mathematician and physicist
Evangelista Torricelli invents the barometer1. -
Scientist and inventor
Otto von Guericke invents an air pump1.
1656: Dutch mathematician and scientist Christian Huygens invented a pendulum clock1. -
Dutch mathematician and scientist
Christian Huygens invents a pendulum clock1.