• Thumbnail for Heinrich Geißler
    Johann Heinrich Wilhelm Geißler (26 May 1814 in Igelshieb – 24 January 1879) was a skilled glassblower and physicist, famous for his invention of the hand...
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  • Thumbnail for Geissler tube
    : 67  This device was developed in 1857 by Heinrich Geissler, a German physicist and glassblower. A Geissler tube is composed of a sealed glass cylinder...
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  • Geißler (1930–2017), German politician (CDU) Ines Geißler (born 1963), German swimmer Heinrich Geißler (1814–1879), German physicist Martin Geissler (born...
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  • Thumbnail for Geissler (crater)
    Geissler is a small lunar impact crater that lies on the northern floor of the much larger walled plain Gilbert, near the eastern limb of the Moon. Just...
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  • Thumbnail for Cathode ray
    anode (positive electrode). In 1857, German physicist and glassblower Heinrich Geissler sucked even more air out with an improved pump, to a pressure of around...
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  • Thumbnail for Timeline of lighting technology
    invents the modern kerosene lamp. 1856 glassblower Heinrich Geissler confines the electric arc in a Geissler tube. 1867 Edmond Becquerel demonstrates the first...
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  • Thumbnail for 1814
    1889) May 26 Wilhelm Engerth, Austrian architect, engineer (d. 1884) Heinrich Geißler, German physicist (d. 1879) May 30 Mikhail Bakunin, Russian anarchist...
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  • strives to fulfill its combining power (valency) quota. 1857 Heinrich Geissler Invented the Geissler tube. 1858 Julius Plücker Published the first of his classical...
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  • Thumbnail for Crookes tube
    Crookes tubes evolved from the earlier Geissler tubes invented by the German physicist and glassblower Heinrich Geissler in 1857, experimental tubes which...
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  • Thumbnail for Julius Plücker
    1858, after a year of working with vacuum tubes of his Bonn colleague Heinrich Geißler, he published his first classical researches on the action of the magnet...
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  • O. Austin (died 1964), American electrical engineer. January 24 – Heinrich Geißler (born 1814), German scientific instrument maker. March 3 – William...
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  • Spanish general, regent and Prime Minister (b. 1793) January 24 – Heinrich Geißler, German physicist (b. 1814) January 26 – John Cadwalader, American...
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  • Thumbnail for Gas-discharge lamp
    father of the low-pressure gas discharge tube was German glassblower Heinrich Geissler, who beginning in 1857 constructed colorful artistic cold cathode...
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  • Thumbnail for University of Bonn
    Faltings Mathematician Emil Fischer Organic Chemist Heinrich Geißler Physicist and Inventor of the Geissler tube Reinhard Genzel Astrophysicist Felix Hausdorff...
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  • May 26 Wilhelm Engerth, Austrian architect and engineer (died 1884). Heinrich Geißler, German scientific instrument maker (died 1879). July 19 – Samuel Colt...
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  • electromagnetism, thereby showing that light is an electromagnetic wave. Heinrich Geißler designs a mercury pump capable of producing a significant vacuum. August...
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  • Thumbnail for Daniel McFarlan Moore
    started experimenting with producing light from glow discharges, which Heinrich Geissler had first developed in the 1850s. "What's wrong with my light?" Thomas...
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  • Perkin invents mauveine, the first synthetic dye. 1857: Heinrich Geissler invents the Geissler tube. 1857: The phonautograph, the earliest known device...
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  • Thumbnail for Vacuum pump
    and only slightly changed until well into the nineteenth century. Heinrich Geissler invented the mercury displacement pump in 1855 and achieved a record...
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  • Thumbnail for Fluorescent lamp
    German glassblower Heinrich Geissler created a mercury vacuum pump that evacuated a glass tube to an extent not previously possible. Geissler invented the first...
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  • Finkelmann Heinrich Barkhausen Heinrich Bürger Heinrich Friedrich Weber Heinrich Geißler Heinrich Greinacher Heinrich Gustav Magnus Heinrich Hertz Heinrich Kayser...
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  • Thumbnail for Heinrich von Kleist
    Bernd Heinrich Wilhelm von Kleist (German: [ˌhaɪ̯nʁɪç fɔn ˈklaɪ̯st] ; 18 October 1777 – 21 November 1811) was a German poet, dramatist, novelist, short...
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  • Thumbnail for Electron diffraction
    this, in the 1850s, Heinrich Geissler was able to achieve a pressure of around 10−3 atmospheres, inventing what became known as Geissler tubes. Using these...
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  • Thumbnail for Vacuum
    1850 when August Toepler invented the Toepler pump and in 1855 when Heinrich Geissler invented the mercury displacement pump, achieving a partial vacuum...
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  • Thumbnail for List of German inventions and discoveries
    experimental investigation of the Magnus effect by Heinrich Gustav Magnus 1857: Geissler tube by Heinrich Geißler 1857: Helmholtz resonance by Hermann von Helmholtz...
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  • 1815. 12 May – Adolf von Henselt, German composer (d. 1889) 26 May- Heinrich Geißler, German physicist (d. 1879) 10 August – Henri Nestlé, German-born Swiss...
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  • Johannes Wilhelm (Hans) Geiger and John Mitchell Nuttall Geissler tube – Heinrich Geissler Gibbs entropy, free energy, paradox, Gibbs's phase rule, Gibbs...
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  • Thumbnail for Alter Friedhof, Bonn
    mathematician Friedrich Christoph Dahlmann, historian and politician Heinrich Geißler, glassblower and physicist William Keogh, Irish judge Franz Peter Knoodt...
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  • Dally (killed by X-ray exposure in the course of his work) Heinrich Geißler (invented the Geissler tube) Jorg Meyer Mitsugi Ohno Joseph Patrick Slattery (radiography...
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  • Thumbnail for Sonderkommando Blaich
    commander, Leutnant Franz Bohnsack, pilot of the He 111, Feldwebel Heinrich Geissler, navigator, Unteroffizier Wolfgang Wichmann, wireless operator, Leutnant...
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