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Actually... they have built such a system! It’s long gone now, but some major cities used to have a mail delivery system built on underground pneumatic tubes.
by jamesknelson 7y ago
Actually... they have built such a system! It’s long gone now, but some major cities used to have a mail delivery system built on underground pneumatic tubes.
https://en.m.wikipedia.org/wiki/Pneumatic_tube_mail_in_New_York_City https://en.m.wikipedia.org/wiki/Pneumatic_tube_mail_in_New_Y...
- Filligree 7y agoDo you know what killed it?
- gregschlom 7y agoThe electricity-based message transmission systems (telegrams, fax, email, etc)
- metaphor 7y agoDiscussed in the wiki: https://en.m.wikipedia.org/wiki/Pneumatic_tube_mail_in_New_York_City#Closure https://en.m.wikipedia.org/wiki/Pneumatic_tube_mail_in_New_Y...