3. Physical Theory of Dynamo-Electric Machines.

4. Magnetic Principles; and the Magnetic Properties of Iron.

5. Forms of Field-Magnets

6. Magnetic Calculations as Applied to Dynamo Machines.

7. Copper Calculations; Coil Windings.

8. Insulating Materials and their Properties.

9. Actions and Reactions in the Armature.

10. Commutation; Conditions of Suppression of Sparking.

11. Elementary Theory of the Dynamo, Magneto and Separately Excited Machines, Self-exciting Machines.

12. Characteristic Curves.