Template:Selected anniversaries/June 19: Difference between revisions

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||1869: Ernst Waldemar Jungner born ... inventor and engineer. In 1899 he invented the nickel-iron electric storage battery (NiFe), the nickel-cadmium battery (NiCd) and the rechargeable alkaline silver-cadmium battery (AgCd). As an inventor he also fabricated a fire alarm based on different dilutions of metals. He worked on the electrolytic production of sodium carbonate, and patented a rock drilling device. Pic.
||1869: Ernst Waldemar Jungner born ... inventor and engineer. In 1899 he invented the nickel-iron electric storage battery (NiFe), the nickel-cadmium battery (NiCd) and the rechargeable alkaline silver-cadmium battery (AgCd). As an inventor he also fabricated a fire alarm based on different dilutions of metals. He worked on the electrolytic production of sodium carbonate, and patented a rock drilling device. Pic.


||1874: Peder Oluf Pedersen born ... physicist and engineer.
||1874: Peder Oluf Pedersen born ... physicist and engineer. Pic search yes: https://www.google.com/search?q=Peder+Oluf+Pedersen


||1876: Nigel Gresley born ... engineer.
||1876: Nigel Gresley born ... engineer.

Revision as of 18:03, 30 August 2019

  • 1623: Mathematician, physicist, inventor, writer, and Christian philosopher Blaise Pascal born. He will do pioneering work on calculating machines.

    1623: Mathematician, physicist, inventor, writer, and Christian philosopher Blaise Pascal born. He will do pioneering work on calculating machines.

  • 1624: Physician, mathematician, and crime-fighter Joseph Solomon Delmedigo publishes new class of Gnomon algorithm functions which detect and banishes demons.

    1624: Physician, mathematician, and crime-fighter Joseph Solomon Delmedigo publishes new class of Gnomon algorithm functions which detect and banishes demons.

  • 1771: Mathematician and logician Joseph Diez Gergonne born. He will contribute to the principle of duality in projective geometry, by noticing that every theorem in the plane connecting points and lines corresponds to another theorem in which points and lines are interchanged, provided that the theorem embodied no metrical notions.

    1771: Mathematician and logician Joseph Diez Gergonne born. He will contribute to the principle of duality in projective geometry, by noticing that every theorem in the plane connecting points and lines corresponds to another theorem in which points and lines are interchanged, provided that the theorem embodied no metrical notions.

  • 1795: Surgeon and gentleman scientist James Braid born. He will be an important and influential pioneer of hypnotism and hypnotherapy.

    1795: Surgeon and gentleman scientist James Braid born. He will be an important and influential pioneer of hypnotism and hypnotherapy.

  • 1858: Scientist and inventor Johann Philipp Reis publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.

    1858: Scientist and inventor Johann Philipp Reis publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.

  • 1865: Asclepius Myrmidon Prepares for Emergency Field Surgery wins Pulitzer Prize for Most Heroic War Illustration of the Year.

    1865: Asclepius Myrmidon Prepares for Emergency Field Surgery wins Pulitzer Prize for Most Heroic War Illustration of the Year.

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