pneumatic dispatch system

Also found in: Medical.

pneumatic tube system

A system for sending small items or papers from one location to another in a building. The item to be sent is placed in a small cylinder that fits snugly in a tube that connects the two locations. Then, the cylinder moves rapidly through the tube to its destination as a result of a force provided by air pressure or a vacuum.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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