Yarrow boiler
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Yarrow boilers are an important class of high-pressure water-tube boilers. They were developed by Yarrow & Co., Shipbuilders and Engineers and were widely used on ships, particularly warships.
Yarrow boiler, with the flue and outer casing removed
Yarrow's U-tube circulation experiment
Cleaning a Yarrow boiler
End half-section of a boiler, showing the enclosing furnace and flue
Three-drum boiler
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Three-drum boilers are a class of water-tube boiler used to generate steam, typically to power ships. They are compact and of high evaporative power, factors that encourage this use. Other boiler desi
Yarrow boiler
…Co. (London), Shipbuilders and Engineers and were widely used on ships, particularly warships. The Yarrow boiler design is characteristic of the three-drum boiler: two banks of straight water-tubes are arranged in a triangular row with a single furnace between them. A single steam drum is mounted at the top between…
Three-drum boiler, casing removed
A flat of three Yarrow boilers
A Royal Navy sailor cleans the water tubes inside a ship's boiler with a ribbon brush, c. 1939–1945.