Definitions
from The Century Dictionary.
- noun A tube or flue used to return a fluid to the source from which it was taken.
- noun A tube or flue used to convey the hot gases from the back end of a boiler to the front end.
Etymologies
Sorry, no etymologies found.
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Examples
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For supplying steam to the engines there are two return-tube boilers, each having three furnaces, and there is also a donkey boiler, which is used in harbor for working the four steam winches on deck.
Scientific American Supplement, No. 799, April 25, 1891 Various
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