346 



INDK.X 



Transformers for Testing Armatures, //?/*. 

 334, 335 



Turbo-Dynamos, Commutator Construction 

 for, 126 ; fig. 127 



Turner, H. W. 



Combined Winder and Spreader, 262 

 Process of Winding with, 

 280-282 i figs. 281-285 



Turpentine for lubricating Laminations in 

 punching, Superiority to oil 

 or soap and water, 35 



Two-circuit Windings, 140 



See also Windings, Continuous Current 



UNGER'S, Adolf, Industrie Aktiebolaget 

 Assembled Armature Core, fig. 87 

 Induction Motor Rotor Windings, //*/*. 



311 

 Wire Wound Coils, Assembling, fig. 



295 



Union Electric Co. , Large Armature show- 

 ing Equaliser Ring Construc- 

 tion, Jig. 270 



Union Elektiicitats Gesellschaft Hanson's 

 Combined Winder and 

 Spreader, 264 ; fig. 263 

 Universal Spreader for Form-wound Coils, 

 262 ; fig. 263 



V-END Connectors for Bar windings, 324 

 V-End Rings for Commutators 

 Clamping, 122 



Mica Insulating, Arrangement, 120, 121 

 V -Grooves for Commutators, 114 

 Vanes as ventilating fans, 102 

 Varnish on Core Plates, Thickness, 12 

 Varnished Cambric for binding groups of 



Conductors, 248 

 Varnishes 



Copal for Mica Plates, 109 

 Japan for Core Plates, 12 

 Shellac for Mica Plates, 107, 1 09 

 Ventilation of Armature, 61, 95 

 Ducts, 74, 104 Standard Width of, 80 

 Vanes, Use of, as Fans, 102 

 Ventilating Spacing Pieces, 74 et scq. ; 



figs. 74-79 



Cast Spacing Piece of 550-k.w., 10- 

 pole Traction Generator, 76 ; 

 fig. 75 



Separating Fingers, 75-80 

 1500-k.w., 1000-r.p.m. Turbo Alter- 

 nator, 79 ;fig.7S 



750-k.w., 1500-r.p.m. Generator, /#. 67 



Verband Deutscher Elektrotechniker, 



Standardisation Rules for 



the Testing of Sheet Iron, 27 



Vickers, Sons & Maxim 



Armature Spider, 56 ; fig. 61 

 Armature of 50-h.p., 300/750-r.p.m. 

 Variable Speed Motor, 2 ; 



fig 3 



Vickers, Sons & Maxim (continued) 



Coils 



Assembling Strip-wound, //>/. 290 

 Assembling Wire-wound, fit/. 293 

 Connecting to Commutator, figs. 291, 



295 



Typical Armature, fig. 268 

 Commutators 



Assembling of 75-h.p. and 7oO-k.w. 



./''.'A H2 



200 ton press for squeezing, fig. 116 

 Core, Armature 



Assembled 50-h.p. and 120-h.p., figs. 



87, 88 

 Assembling 15-h.p. and 750-k.w., 



figs. 81, 82 

 Ventilating Spacing Piece, 80 ; fiy*. 79, 



82 



Voltage, Lower in Multiple-circuit than in 

 Two-circuit Windings, 141 



WAVE Windings, 142 

 See also Windings, and Winding of 

 Alternating Current Arma- 

 tures 



Webber Winding Form, 258 ; and.////*. 

 Westinghouse Co. 

 Alternator, 7 

 Balancing Table for large Armatuiv-. 



332 ; fig. 333 



Banding Armature, fig. 329 

 Methods of fastening End Rings to 

 rectangular Rotor Bars, 103 ; 

 fig. 104 



Ventilating Spacing Piece, 79 ; .//</. 77 

 Whole-coiled Windings, see Windings, 



Alternating Current 

 Windage Losses, 102 

 Winding 

 Bobbin, 254 

 Diagrams, see Windings 

 Forms Design and Construction of, 254 



et seq. 

 Block for Pressing Coils, 259 ; fig. 



260 



Spreading Apparatus, 259-264 

 Straight and Bent Coils, 320; figs. 



321 

 Tools required for 



4-pole, 10-h.p. motor for 500 volts 



and 950 r. p.m., 278-286 

 6-pole, 250-k.w., 320-r.p.m., 650- 



volt Generator, 270-278 

 Triple Coil Winding Forms, 280 

 Types, 255-265 

 Pitch, definition, 132, 135 

 Shuttle, 254 



WINDING OF ARMATURES 

 ALTERNATING CURRENT, 300 et seq. 

 Lap Coil Windings, 322 

 Retrogressive Wave, 325 

 Short Coil, 327 

 Skew Coil, 326 



