The bulb

By bimipogo

  • Heating a wire to incandescent

    Ebenezer Kinnersley demonstrated heating a wire to incandescence

  • Battery of immense size

    Humphry Davy used what he described as a "battery of immense size", consisting of 2,000 cells housed in the basement of the Royal Institution of Great Britain.

  • Constant electric light

    James Bowman Lindsay demonstrated a constant electric light at a public meeting in Dundee, Scotland.

  • Incandescent light bulb

    Belgian lithographer Marcellin Jobard invented an incandescent light bulb with a vacuum atmosphere using a carbon filament

  • Coiled platinum filament in a vacuum tube

    British scientist Warren de la Rue enclosed a coiled platinum filament in a vacuum tube and passed an electric current through it.

  • First patent

    Frederick de Moleyns of England was granted the first patent for an incandescent lamp

  • Patent for incandescent light bulb

    American John W. Starr acquired a patent for his incandescent light bulb using carbon filaments.

  • Incandescent lights bulbs in Blois, France.

    Jean Eugène Robert-Houdin publicly demonstrated incandescent light bulbs on his estate in Blois, France.

  • Platinium filament

    Moses G. Farmer built an electric incandescent light bulb using a platinum filament.

  • Incandescent light bulb in Russia

    Russian Alexander Lodygin invented an incandescent light bulb and obtained a Russian patent in 1874.

  • Canadian patent

    A Canadian patent was filed by Henry Woodward and Mathew Evans for a lamp consisting of carbon rods mounted in a nitrogen-filled glass cylinder.

  • Heinrich Göbel claimed his patent

    Heinrich Göbel claimed he had designed the first incandescent light bulb in 1854, with a thin carbonized bamboo filament of high resistance, platinum lead-in wires in an all-glass envelope, and a high vacuum.

  • Many experimenters worked

    Many experimenters worked with various combinations of platinum or iridium wires, carbon rods, and evacuated or semi-evacuated enclosures. Many of these devices were demonstrated and some were patented.