The incandescent lamp was invented by Thomas Edisson about 100 years ago in the United States. In the beginning, it was made with coal, and later with a tungsten thread of incandescent. At that time, this invention made a real splash and helped people much increase labor productivity.
Advantages and disadvantages of incandescent lamp: is it worth buying
Похожие статьи
Свежие публикации
Популярное
Таблица обменных курсов
| Валюты | Курс | Изменение % |
|---|---|---|
 USD | 90,53 | +0,01% |
 EUR | 99,37 | +0,50% |
 GBP | 115,18 | +0,59% |
 BTC | 3 829 642,24 | –0,44% |
 AUD | 61,20 | +0,86% |
 JPY | 0,63 | –0,75% |
 CNY | 12,79 | +0,79% |
 CAD | 67,89 | +0,48% |
Курсы валют в RUB на 19.12.2023
На этом сайте вы найдете множество новостей про США. Читайте, делитесь информацией, заходите еще!