Ughting off one of the four burners of the 113,000 pounds per hour boiler with oil. When lit pul verized coal supply is turned on and oil is shut off. pulverized fuel boilers. Two of these, installed in All coal used comes from Virginia, Tennessee 1948, are rated at 80,000 pounds per hour each and Kentucky. The purchase of good quality at and the last one, installed in 1952, at 115,000 low cost is assured by analyzing representative pounds per hour. These are operated at 620 samples taken from cars as they are received, pounds per square inch and 750° F. These analyses are made at the Filter Plant. w Turbine Room looking NW showing overhead steam lines, at left, which convey the steam from the Boiler House.