NYC also had a pneumatic tube mail network: http://untappedcities.com/2013/03/15/nycs-pneumatic-tube-mai...
It ran until 1953. Paris also had one. It's a worthwhile read.
It ran until 1953. Paris also had one. It's a worthwhile read.
They say it is no longer working after the floods of 2002, but the article is from 2004 so what do I know.