A. By suitable piping leading from a steam dome on top of boiler.

Q. What is a steam dome and how is it made?

A. A steam dome is cylindrical in shape, is made usually of boiler plate flanged and riveted over a hole on top of boiler.

Q. Of what use is a steam dome?

A. Its use is to afford space for dry steam to collect.

Q. What is a mud drum, and of what use is it?

A. The mud drum is cylindrical in shape, made of boiler iron flanged and riveted over a hole on under side of boiler, in which mud and sediment may collect, and is of great value on a return flue boiler.

Q. What are boilers furnished with so that they may be easily cleaned?

A. Man-holes and hand-holes.

Q. What are man-holes and hand-holes?