American Gas Association. Laboratories.

• Interchangeability of other fuel gases with natural gases
• A field survey of gas appliance venting conditions
• Combustion of gas with limited air supply
• Domestic gas range research
• Effect of cold inlet water on performance of automatic storage gas water heaters
• Interchangeability of various fuel gases with manufactured gases
• Mixed gas research investigation
• Principles of design and sizing of automatic gas water heaters for maximum service efficiency