INDEX 



Note. The figures throughout refer solely to the pages of the book, not to the 

 numbers assigned to the different illustrations or tables. 



AGEING 



Composition of a low "ageing" sheet 



steel, 11 



Definition, Deterioration through, 10 

 Air Gap 



Depth for Induction Motors, 45, 104 ; 



Tables 46, 105 

 Diameter, Care required in Die Work, 



45, 46 

 Alignment of Slots, Drifts for maintaining, 



85 

 Alioth Co. 



Assembled Armature Core, Jig. 88 

 Assembling Strip-wound Coils, fig. 290 

 Finished Commutator, fig. 124 

 Form-wound Coils, 255"; figs. 255, 256 

 Hand winding of Alternator Coils, fig. 



308 



Squirrel Cage Rotor, 101 ; figs. 102, 103 

 Three-phase distributed Lap Winding, 



fig- 228 



Wound Slip-ring Rotor, 6 ; fig. 7 

 Allmanna Svenska Elektriska Aktiebolaget 

 Assembled Armature Core, figs. 91, 93 

 Squirrel Cage Rotor, fig. 6 

 Old Type, 102 ; fig. 103 

 Ventilating Ducc Distance Piece, 75 ; 



fig. 74 



Winding 



Alternator, 212 ; fig. 214 



Squirrel Cage Rotor, 100 ; figs. 100, 



101 

 Alternating Current Armature Winding 



Systems, 163 et seq. 



See also Windings, Alternating Current 

 Alternating Current Generators and Motors 

 Commutator Motor, 9 

 External Rotating Field, 7 

 Induction Motors, see that title 

 Insulation, Care necessary in, 252 

 Open Circuit Windings for, 163 

 Rotor as "Field," 6 

 Single-phase, Single Coil Winding for, 



173 



Stator as Armature, 1 

 Y Grouping most commonly used for, 184 

 American General Engineering Co. 

 Armature Banding Lathe, fig. 331 

 Metal Form for Standard Coils, 286 ; fig. 

 287 



Annealing Armature Laminations, 10, 11, 



35 

 Armature 



Components, 1 et seq. 

 Conductors, Insulating of, 246 et seq. 

 Definition, 1 



Distinction between Stator, Rotor, 

 Armature and Field, 2, 4, 

 6 ; Chart, 8 



Divisibility of Alternating Current 

 Armature, 187, 191 ; Table 

 189 



Location of faults in, 335 

 Reactions, Single-coil Winding unde- 

 sirable, 173 

 Rotating 



Coil End Types, 190 ; figs. 

 Continuous Current Machines, 1 

 Core 



Assembled,./^. 87-90 

 Assembling^ 81-91 ; figs. 81-83 

 Internal, 2 ; figs. 2, 3 

 Testing Transformer, 335 

 Sleeve, 61 ; fig. 64 

 Slot Wound', Core Ducts in, 74 

 Spider, see Spider 

 Squirrel Cage, Construction of, 95 et 



seq. 



Stationary 



Alternating Current Machines, 1 

 Coil End Types, 189 ; fig. 190 

 Core 



Assembled, figs. 91-94 

 Assembling, '91 ; figs. 85-87 Cir- 

 cumferential Keys preferable 

 to bolts for, 93 ; figs. 72, 73 

 External, 4, 5 



Frames, 62 ; figs. 69-73 

 Testing Transformer, 335 

 Windings, 1 (see also Windings) 

 50-h.p., 300/750-r.p.m., 440- volt Vari- 

 able Speed Motor, fig. 3 

 Arnold, Prof., on Armature Windings, 



137 

 Assembling 



Armature Core, 81 et seq. 

 Commutator Segments, 110 

 Automatic Punching Machine, 38 ; figs. 



47, 48 

 See also Presses 



337 22 



