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10 Mai 1897 Jahr - fire escape invented

Beschreibung:

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.

Zugefügt zum Band der Zeit:

Inventions by women!

ByLauren Herzig
8 Dez 2017
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0
637

Datum:

10 Mai 1897 Jahr
Jetzt
~ 128 years ago
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