What Happens When You Mail a Letter in 1951.
Posted by Alex in Everything Else on January 31, 2007 at 12:55 am
This 1951 Popular Science article explains the journey of a letter from when it is dropped into a mailbox to its destination.
When this article was written, there was a big pneumatic tube network connecting all of the post offices in Manhattan!
I wonder how much of the system had changed: Link – Thanks Henry @ Brohans!














