Articles Including; Effect of Decreasing Pressure on Natural Circulation in Water Tube Boilers, Pittsfield Power Plant Expansion Beniefits from Good Schodeuling, Highlights of Geneva Energy Conference, Saving Molybdenum in High Pressure Steam Equipment, Selection of Cooling Towers for generating STatements, Advertising Index, International Exchange of Information, Thw Walsh Healy Act in the Coal Fields, Great Photos, Ads and Illustrations for the Time!Slight Wear, Overall Very Good Condition! 92pgs