Landis, Jesse A. [from old catalog] · Dayton, Ohio, U. B. publishing house · leaf 18
If you will examine the armature of the small motor,you will find an iron ring around which is wound acoil of wire, this coil being tapped and connected tocommutator bars which serve the purpose of leadingthe current to and from the armature winding byallowing the current to flow under each field… … Fig. G. Fig 7 If a current is sent through the magnet field coils, lines of force will flow from the north pole to the armature ring and from the armature ring to thesouth pole. If a current is sent through the coils on the arma- 15 Actions of Electricity. ture ring at that same time, lines of…
Electricity
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