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4 Jan 1856 Jahr - Pneumatic post was developed

Beschreibung:

Pneumatic post created another way for letters to be delivered quickly between recipients. A pneumatic post utilisez underground pressurized air tubes to carry capsules from on area to another.

Zugefügt zum Band der Zeit:

22 Okt 2018
1
0
357

Datum:

4 Jan 1856 Jahr
Jetzt
~ 169 years ago