Definition of Pneumatic tube. Meaning of Pneumatic tube. Synonyms of Pneumatic tube

Here you will find one or more explanations in English for the word Pneumatic tube. Also in the bottom left of the page several parts of wikipedia pages related to the word Pneumatic tube and, of course, Pneumatic tube synonyms and on the right images related to the word Pneumatic tube.

Definition of Pneumatic tube

Pneumatic tube
Pneumatic Pneu*mat"ic, Pneumatical Pneu*mat"ic*al, a. [L. pneumaticus, Gr. ?, fr. ?, ?, wind, air, ? to blow, breathe; cf. OHG. fnehan: cf. F. pneumatique. Cf. Pneumonia.] 1. Consisting of, or resembling, air; having the properties of an elastic fluid; gaseous; opposed to dense or solid. The pneumatical substance being, in some bodies, the native spirit of the body. --Bacon. 2. Of or pertaining to air, or to elastic fluids or their properties; pertaining to pneumatics; as, pneumatic experiments. ``Pneumatical discoveries.' --Stewart. 3. Moved or worked by pressure or flow of air; as, a pneumatic instrument; a pneumatic engine. 4. (Biol.) Fitted to contain air; Having cavities filled with air; as, pneumatic cells; pneumatic bones. Pneumatic action, or Pneumatic lever (Mus.), a contrivance for overcoming the resistance of the keys and other movable parts in an organ, by causing compressed air from the wind chest to move them. Pneumatic dispatch, a system of tubes, leading to various points, through which letters, packages, etc., are sent, by the flow and pressure of air. Pneumatic elevator, a hoisting machine worked by compressed air. Pneumatic pile, a tubular pile or cylinder of large diameter sunk by atmospheric pressure. Pneumatic pump, an air-exhausting or forcing pump. Pneumatic railway. See Atmospheric railway, under Atmospheric. Pneumatic syringe, a stout tube closed at one end, and provided with a piston, for showing that the heat produced by compressing a gas will ignite substances. Pneumatic trough, a trough, generally made of wood or sheet metal, having a perforated shelf, and used, when filled with water or mercury, for collecting gases in chemical operations. Pneumatic tube. See Pneumatic dispatch, above.

Meaning of Pneumatic tube from wikipedia

- Pneumatic tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks...
- Alfred Ely Beach demonstrated a model of basic pneumatic subway system, in which air pressure in the tube pushed the cars, at the American Institute Exhibition...
- The pneumatic tube mail was a postal system operating in New York City from 1897 to 1953 using pneumatic tubes. Similar systems had arisen in the mid-19th...
- The Paris pneumatic post was a pneumatic tube message-carrying service that operated in the French capital from 1866. It was established because of the...
- Electro-pneumatic action Tubular-pneumatic action Player piano Pneumatic actuator Pneumatic air guns Pneumatic bladder Pneumatic cylinder Pneumatic launchers...
- Tiki Room, pneumatics are used to prevent fluid from dripping onto people below the puppets. Once actuated, compressed air enters into the tube at one end...
- above companies also made pneumatic tube systems - see Lamson tube. They are still installed in a few shops. Modern pneumatic tube systems are also now used...
- pneumatic tube postal service, which existed from 18 November 1865 until 1963 in West Berlin and in East Berlin until 1976. In 1861, a pneumatic tube...
- A 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...
- Office commissioned two engineers to investigate the feasibility of a pneumatic tube-based system between the General Post Office and the West District Central...