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2 jul 1875 ano - Графитовая лампа накаливания

Descrição:

С. А. Козлов получил патент на лампу накаливания с телом накала в виде графитового стерженька, помещённого в стеклянной колбе, наполненной азотом

Adicionado na linha do tempo:

Профессия электрик

ByАлина Кутнякова

25 nov 2018

0

0

550

Data:

2 jul 1875 ano

Agora

~ 150 years ago

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