File:0-4-0-engine.JPG · Wikimedia Commons · See Wikimedia Commons
پنوماتیک
Sign in to savethumb|250px|Pneumatic (compressed-air) fireless locomotives like this were often used to haul trains in mines, where steam engines posed a risk of explosion. This one is preserved [[H.K. Porter, Inc. No. 3290 of 1923.]]
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- topic's main category
- Category:Pneumatics
- Commons category
- Pneumatics
- uses
- compressed air
- described by source
- Encyclopædia Britannica 11th edition
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