PARTS OF A DYNAMO-ELECTRIC MACHINE 



73 



hence the heat generated in the ribbon can readily escape 

 to the air. In Fig. 36 is shown a view of a wire wound 



FIG. 36. Wire-wound Field Coil. General Electric Co. 



field coil and Fig. 37 shows a ribbon wound field coil; the 

 ribbon has been allowed in uncoil partially so that the 

 method of winding may be apparent. 



FIG. 37. Ribbon-wound Field Coil. General Electric Co. 



18. Armature Windings, The question of armature wind- 

 ings is a very broad one and we can give here only an 



