342 



INDEX 



Laminations, 4, 10 et s< 7. 

 Annealing, 10, 11, 35 

 Assembling, 90, 91, 95 ; fig. 9ti 

 Cleaning, use of Turpentine, 35 

 Composition and Thickness French 



Practice, 26 



Frame for supporting, 56 

 Keying, 62 ; fig. 68 

 Material, Selection and Testing, 10-29 



and Jigs. 



Punchings, Assembling of, 89 ; figs. 84 

 Quality, 25, 26 

 Sectors, 82 

 Shaft, Assembling directly on, 61, 95 ; 



figs. 65, 66, 96 

 Sleeve for, 61 ; fig. 64 

 Specification for Sheet Steel for, 11 

 Stamping, Methods and Machines re- 

 quired, 29-55 

 Disc Stamping Machines, some makers 



of, 55 

 Standard Sizes and Types, 29 ; figs. 



32 and 33 

 Thickness, 11, 26 



Induction Motor Rotors and Stators, 



46 



Insulation, Thickness of, 12 

 Lamp Test for Short Circuits, 334 

 Lancashire Dynamo and Motor Co. 



Assembling Wire- Wound Coils, fig. 292 

 Squirrel Cage Rotor, 99 ; figs. 98, 99 

 Wound Stator, fig. 5 

 Lap Coil, see Coil, Types 

 Lap Windings, 142 



See also Windings, Continuous Current, 



Multiple Circuit 

 Lathes for Banding Armatures, 330 ; figs. 



331 

 Leatheroid for 



Securing Conductors in Slots, 98 

 Separating Clamping Blocks from 



Copper Segments, 110 

 Slot Linings, 246 

 Livingstone, R. 



Dimensions of Box-type Frames, note 



68 

 Thickness of Commutator Segments, 125 



Iron (Core) 13, 21, 35 

 Eddy (Foucault) Current, 21, 26, 45 

 High Specific Resistance, Effect of on, 



26 

 Hysteresis 



Ageing, Lbss through, 10 

 Relation to Stein metz Coefficient, 



Table 24 

 Testing for, various methods, 13 



et seq. (see also Testers) 

 Windage, 102 



Loops of Armature Coils, Types, 266 

 Lugs, Commutator Attaching and Con- 

 necting to Armature Con- 

 ductors, 122, 124 ; figs. 124, 

 125 



MACHINING of External Surface of Core 

 Accuracy necessitated by \ -\\ -mull ;iii 



gaps, 104 



Emery Wheel for, 105 ; fig. 106 

 Magnet Frame, 1 



Magnetic Field E.M.F. induced in Con- 

 ductor through, note 137 

 Magneto Bell for detecting Short Circuits, 



110 

 Magnets Permanent and Rotating for 



Hysteresis Testers, 21 

 Manilla Paper for Slot Linings, 246-248 

 Mavor & Coulson, 



Assembling Armature Core, fig. 85 

 Winding Armature with Strip on Edge, 



fig. 319 

 Mesh Grouping (A), 179-184; figs. 180, 



181, 202 

 Mica (for) 

 Commutator Construction, Choice of, 



107 

 Paper for binding groups of Conductors, 



248 



Plates, Construction, 107, 109 

 Slot Linings, 248 



V Rings for Commutators Arrange- 

 ment, 120, 121 

 Micanite 



for Slot Linings, 248 



Tubingfor Alternating Current Machines, 



Disadvantages, 252 

 Micarta for Slot Linings, 248 

 Mollinger Hysteresis Tester, 27 

 Motors, sec Alternating Current, Continu- 

 ous Current, and Induction 

 Motors 



Multiple Circuit Windings, 129 

 Multiplex Windings, 153 

 See also Windings, Continuous Current 

 Multiplex Windings, 153 see also Wind- 

 ings, Continuous Current 

 Multiplicity of Continuous Current Wind- 

 ings, Table 157 



NEVILLE BROS. 



Armature Banding Lathe, fi.g. 331 

 Geared Rotaiy Shears for Armature 



Discs and Rings, 39 

 Nomenclature of 



Alternating Current Windings, 197 ; 



Plate xiv. 



Application of Scheme, 204 

 Continuous Current Windings, Plate 



xiv. ; 129, 137 

 Notching Machine, see Press 



OIL Inferiority to Turpentine for lubri- 

 cating Laminations, 35 



Oiled unbleached Cotton for binding groups 

 of Conductors, 248 



Open Circuit Windings, * Windings, 

 Alternating Current 



