Definitions

from The Century Dictionary and Cyclopedia

  • n. In mech., a chamber which is filled with water while the boiler, to which it is connected or of which it is a part, is in operation; a chamber or tank at the lower end of the tubes in a water-tube boiler.

Etymologies

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Examples

  • The boiler has a main water-drum, A, 5 inches in diameter and 18 inches long, and two smaller water-drums, B and C, 2-1/2 by 18 inches, connected by two series of tubes, G and H, each set comprising 20 tubes.

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