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Pneumatic tubes (or capsule pipelines; Lamson tubes) are systems in which cylindrical containers are propelled through a network of tubes by compressed air ...
en.wikipedia.org/wiki/Pneumatic_tube - Similar
Networks of pneumatic tubes speeded mail along under city streets beginning in the 1890s. Mail was enclosed in pneumatic tube canisters that could hold up ...
www.postalmuseum.si.edu/exhibits/2b1b6_tubemail.html - Similar
Pneumatic Tubes. The best known pneumatic device is of course the pneumatic tube . A pneumatic tube is a method of transporting objects using compressed air. ...
inventors.about.com/od/pstartinventions/a/pneumatic.h... - Similar
Pneumatic tubes had already been used for other purposes for many years. John Griffiths credits the invention of pneumatic message systems to William ...
www.ids.u-net.com/cash/pneumatictube.htm - Similar
From hospitals to retail chains pneumatic tubes can help expedite daily transfer of goods and information. AirTubes Inc.• 10 Millpond Drive• Lafayette, ...
www.airtubes.com/ - Similar
Apr 4, 2009 ... I used to love the pneumatic tubes in the old building I worked in. .... There's a nice discussion of how pneumatic tubes came about in Tom ...
www.boingboing.net/2009/04/04/pneumatic-tube-based.ht... - Similar
In the 1800s cities used pneumatic tubes to transfer physical documents. Of course with the internet we no longer need these long tunnels, but that doesn't ...
www.youtube.com/watch?v=MvSeL_LfdbA - Similar
To provide New York City with a public transportation system was one of the largest public works projects ever undertaken. The American Experience presents ...
www.pbs.org/wgbh/amex/technology/nyunderground/secret... - Similar
Jul 21, 2008 ... Left: Air compression by water to power the pneumatic tubes. ... The first American pneumatic tubes were introduced in Philadelphia, ...
www.dself.dsl.pipex.com/museum/COMMS/pneumess/pneumes... - Similar
Jun 5, 2009 ... English: Pneumatic tubes, also known as capsule pipelines or Lamson tubes, are systems in which cylindrical containers are propelled through ...
commons.wikimedia.org/wiki/Category:Pneumatic_tubes - Similar
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"pneumatic+tubes", hydraulic lifts, pneumatic valves, hydraulic pumps, hydraulic tools |
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