Building underground tunnels for 30 second delivery times (share.transistor.fm) 3 points by Mat_Sherman 5y ago ↗ HN
[–] pwg 5y ago ↗ What was old is new again:> Pneumatic tube mail in New York City> https://en.wikipedia.org/wiki/Pneumatic_tube_mail_in_New_Yor...> The pneumatic tube mail was a postal system operating in New York City from 1897 to 1953 using pneumatic tubes
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[ 3.2 ms ] story [ 15.8 ms ] thread> Pneumatic tube mail in New York City
> https://en.wikipedia.org/wiki/Pneumatic_tube_mail_in_New_Yor...
> The pneumatic tube mail was a postal system operating in New York City from 1897 to 1953 using pneumatic tubes