The system was inspired by the pneumatic tubes used to transport mail around some buildings.
The service's thousands of delivery vehicles have only one purpose now: to transport mail.
In a conference call Musk said he had been inspired by the pneumatic tubes used for transporting mail around some buildings.
Experiments have been conducted using ballistic missiles to transport mail, but this remains a novelty because of costs and the problems of reusability and accuracy.
PCP has been in use since the 19th century for transporting mail, printed telegraph messages, machine parts, cash receipts, books, blood samples (in hospitals), and many other products.
The company plans to pick up, sort and transport mail from large companies with lots of post, but can only take them as far as a local Royal Mail office.
Traveling on the Titanic was a voyage of purpose, primarily to transport mail, cargo and passengers, many of whom were emigrating, as steadily and safely as possible.
The system, which was built in the last decade of the nineteenth century, fell into disuse after the First World War, but was revived in 1921, because transporting mail on the city's crowded streets proved too slow.
However, a few years later, Mr. Beach became aware of experiments in England to use pneumatically propelled containers to transport mail and other items, according to an article in The New York Times.
In this day and age when mail — even if much of it is unwanted — is overwhelming us, and our city planners are desperate to get a handle on traffic, reviving the pneumatic tube system to transport mail to and from the airports seems the innovative thing to do.
