Subject
- Combustion4
- Engineering2
- Welding2
- Aluminum1
- Aluminum alloys1
- Archaeology and history -- Washington (State) -- Vancouver1
- Architectural acoustics1
- Cast-iron1
- Copper alloys1
- Creosote1
- Electrolysis1
- Flame hardening1
- Fort Vancouver National Historic Site (Wash.)1
- Fuel1
- Furnaces -- Rating of1
- Gas -- Testing1
- Gas as fuel1
- Heat of combustion1
- Historic sites -- Washington (State) -- Vancouver1
- Hydrocarbons1