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by insaneirish 1059 days ago
New York City had it, too: https://untappedcities.com/2017/10/03/an-illustrated-history...

27 miles of tubes.
1 comments
rplnt 1058 days ago
Prague has/had over 50 km. Was used up until early 00s. Loads of it still exists, it's the last surviving municipal tube system, though not functional at the moment.

https://en.wikipedia.org/wiki/Prague_pneumatic_post

link
jaclaz 1058 days ago
A page dedicated to these (city wide) pneumatic networks:

http://www.douglas-self.com/MUSEUM/COMMS/pneumess/pneumess.h...

link