29
/ru/
ru
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
274444
24058
2
Создать
Public Timelines
Библиотека
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
5 ч 36 мин, 14 май 1816 г. - 1816 the newly invented davy safety lamp was used for the first time it reduced the risk of explosions improving safety underground
Добавлено на ленту времени:
13 ноя 2017
0
0
484
timeline Aidan 1
coal mining timeline
Дата:
5 ч 36 мин, 14 май 1816 г.
Сейчас
~ 208 г назад