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词汇 pneumatic railway
释义

Definition of pneumatic railway in English:

pneumatic railway

noun
historical

  • A type of railway in which a tube with a longitudinal slot in the top was laid between the rails, containing a piston which was joined to the train by a rigid arm passing through the slot, the train moving by the pressure of air on the piston within the tube.

Origin

Mid 19th century; earliest use found in The Times.

Definition of pneumatic railway in US English:

pneumatic railway

noun
historical

  • A type of railway in which a tube with a longitudinal slot in the top was laid between the rails, containing a piston which was joined to the train by a rigid arm passing through the slot, the train moving by the pressure of air on the piston within the tube.

Origin

Mid 19th century; earliest use found in The Times.
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