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Golitsyna Tat Zaryanko - Public domain portrait painting

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Golitsyna Tat Zaryanko - Public domain portrait painting

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Summary

Portrait of Teofila Petrovna GolitsynaРусский: Теофила Петровна Голицына (1792-1882)

Public domain photograph of 19th-century female portrait painting, free to use, no copyright restrictions image - Picryl description

Sergey Zaryanko (1818–1870) was a Russian inventor, engineer, and scientist. He is best known for his contributions to the development of early electric lighting systems. Zaryanko constructed one of the earliest electric lamps in 1860, which he called the "electric candle." This device used a carbon filament enclosed in a vacuum tube and illuminated when an electric current passed through it. Zaryanko's work on electric lighting laid the groundwork for further advancements in the field, leading eventually to the development of practical incandescent light bulbs. However, his contributions were somewhat overshadowed by those of other inventors like Thomas Edison and Joseph Swan, who achieved greater commercial success with their own versions of the incandescent light bulb.

date_range

Date

1860
place

Location

Истра, Russian Federation
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Source

Wikimedia Commons
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Copyright info

susurro-suave(c)2010

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