herald (plural heralds) 1  A messenger, especially one bringing important news. 2  A harbinger, giving signs of things to come. ( 3 heraldry) An official whose speciality is heraldry, especially one between the ranks of pursuivant and king-of-arms. ( entomology) A moth of the species Scoliopteryx libatrix.
a fire nozzle weighs approximately  ten to fifteen pounds.
A pound of oxygen can fill as many gallons as the c â¦ ontainer allows under that pressure. Since it's a gas it expands in the area allowed. Hope that makes sense. Answer In case you're talking about liquid oxygen, it weighs about 9.52 pounds per gallon. Your pound of liquid oxygen is about 1 2/3 cups of this cryogenic stuff.