return-tube

Updated: May 19, 2025

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. She is divided into seven watertight compartments by athwartship bulkheads. The foremost one is the usual collision bulkhead.

Various - Scientific American Supplement, No. 799, April 25, 1891