1 янв 1879 г. - the lightbulb was invented
Описание:
Long before Thomas Edison patented -- first in 1879 and then a year later in 1880 -- and began commercializing his incandescent light bulb, British inventors were demonstrating that electric light was possible with the arc lamp.Добавлено на ленту времени:
Дата:
1 янв 1879 г.
Сейчас
~ 146 г назад