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Pneumatic tubes are systems of air-driven containers in a network of tubes used for transporting physical objects.

Pneumatics can be traced back to Hero of Alexandria in the 1st century AD. The Victorian Internet used capsule pipelines to transmit telegraph messages, or telegrams, to nearby buildings from telegraph stations.

While they are commonly used for small parcels and documents, they were originally proposed in the early 1800s for transport of heavy freight. It was once envisioned that massive networks of these tubes might be used to transport people; Alfred Beach 's first New York subway system used this principle. However, it was only 300 feet (100 m) long.

It was also speculated that a system of tubes might deliver mail to every home in the US. A major system in Paris was in use until 1983 when it was finally abandoned in favor of computers and fax machines.

Typical current applications are banks and hospitals. Many large retailers (such as Home Depot or the Price Club in the US) use pneumatic tubes to transport checks or other documents from cashiers to the accounting office. One system lists a speed of 10 m/s ( http://www.capsu.org/history/telegram_conveyors.html ).

Pneumatic tubes were featured in Edward Bellamy's Looking Backward, which envisions the world of 2000 as filled with tubes, in the movie BrazilBrazil (first released on February 20, 1985) is a dystopic comedy film directed by Monty Python member Terry Gilliam, and written by him, Charles McKeown, and Tom Stoppard. Jonathan Pryce stars. Robert De Niro, Kim Greist, Michael Palin, Katherine Helmond, and in the 1999For the album by Prince, see 1999 (album 1999 is a common year starting on Friday (see link for calendar), and was designated the International Year of Older Persons by the UN. Events Kosovo War Former child star Gary Coleman files for bankruptcy Y2K prep television series Fantasy IslandFantasy Island was a television show which ran from 1977 to 1984 on ABC television in the United States. It starred Ricardo Montalban as Mr. Roarke, the enigmatic host who wore a white suit, and greeted new vistors who could live out their fantasies..

Links to Pneumatic Tube websites:
http://www.kellytubesystems.com KellyTube Systems Inc.
http://www.rohrpostanlagen.de Swisslog
http://www.ptubes.com ptubes.com
http://www.ptcarriers.com ptcarriers.com
http://www.attsystems.com Air Tube Transport Systems
http://zapatopi.net/pneumatic.html Proposal for pneumatic tubes for transporting people
http://future.newsday.com/1/fbak0115.htm Pneumatic tubes for postal service
http://www.history.rochester.edu/steam/hero/ Pneumatics of the Hero of Alexandria
http://www.capsu.org/ Capsule Pipelines
http://www.cix.co.uk/~mhayhurst/jdhayhurst/pneumatic/book1.html The Pneumatic Post of Paris

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Topics: Pneumatic Tube, Pneumatics, Pneumatic Filter, Pneumatic Weapon...

Pneumatic tubePneumatic tubes are systems of air-driven containers in a network of tubes used for transporting physical objects. Pneumatics can be traced back to Hero of Alexandria in the 1st century AD. The Victorian Internet used capsule pipelines to transmit telegra	PneumaticsPneumatics from the Greek pneumatikos coming from the wind) is the use of pressurized air in science and technology. Pneumatics are used in a variety of settings. In dentistry applications, pneumatic drills are lighter, faster and simpler than an electric	Pneumatic filterA pneumatic filter is a device which removes contaminants from the compressed air stream. Typical commercial pneumatic filters will remove particles as small as 5 micrometres from the air. The filters protect pneumatic devices from damage that would be ca
Pneumatic weaponA pneumatic weapon is a weapon that fires a projectile by means of air pressure, similar in principle to the operation of pneumatic tube delivery systems. The term comes from a Greek word for "wind" or "breath" (πνευμα).

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