New York City had a series of tubes (pneumatic tubes, that is) connecting various post offices around Manhattan and even to Brooklyn. http://untappedcities.com

New York City had a series of tubes (pneumatic tubes, that is) connecting various post offices around Manhattan and even to Brooklyn. http://untappedcities.com/2013/03/15/nycs-pneumatic-tube-mail-network/ http://untappedcities.com/2013/03/15/nycs-pneumatic-tube-mai... I was going to say the destruction of it was spearheaded by the automobile companies, but I was confusing that with the fate of the streetcar system in NYC and elsewhere: http://en.wikipedia.org/wiki/General_Motors_streetcar_conspiracy http://en.wikipedia.org/wiki/General_Motors_streetcar_conspi...