Roy John Helfinstine

• Correlation of domestic stoker combustion with laboratory tests and types of fuels
• Correlation of domestic stoker combustion with laboratory tests and types of fuels
• Correlation of domestic stoker combustion with laboratory tests and types of fuels
• Sulfur reduction of Illinois coals
• Sulfur reduction of Illinois coals
• Sulfur reduction of Illinois coals
• Correlation of Domestic Stoker Combustion with Laboratory Tests and Types of Fuels. II. Combustion Tests and Preparation Studies of Representative Illinois Coals; Report of Investigations No. 120
• Correlation of Domestic Stoker Combustion with Laboratory Tests and Types of Fuels. III. Effect of Coal Size upon Combustion Characteristics; Report of Investigations No. 133