energy, electricity, Nernst lamp, circa 1900, exhibit of the exhibition "Electrum", Museum of the Hamburg Electric Works, Hamburg, Additional-Rights-Clearences-Not Available

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Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1900s, 19th, 20th, bulb, bulbs, century, electric, electricity, energy, exhibit, exhibition, filament, flame, heating, historic, historical, incandescent, invention, inventions, lamp, lamps, light, nernst, people, power, walther