Subject
- Electric motors, Induction5
- Electric generators4
- Electric generators -- Direct current2
- Electric current rectifiers1
- Electric generators -- Alternating current -- Design and construction1
- Electric light plants -- Design and construction1
- Electric motors, Induction -- Testing1
- Electric motors, Synchronous1
- Electric power transmission -- Oregon1
- Electric switchgear1
- Electric transformers1
- Electric transformers -- Design and construction1
- Farmhouses -- Lighting1
- Heating plants1
- Hydroelectric power plants -- Oregon1
- Hydroelectric power plants -- Oregon -- Design and construction1
- Hydroelectric power plants -- Oregon -- Designs and plans1
- Interior lighting1
- Nitrogen -- Fixation1
- Oregon Agricultural College -- Buildings -- Heating and ventilation1