10 май 1897 г. - fire escape invented
Описание:
The first outdoor fire escape with an external staircase was patented by Anna Connelly in 1897. In the 1900s, Connelly’s model would become part of many mandatory building safety codes across the United States.Добавлено на ленту времени:
Дата:
10 май 1897 г.
Сейчас
~ 128 г назад