INDEX TO ILLUSTRATIONS. 



Tests and Testing. — Continued. 



Price's Guard Wire 



Raymond-Barker's Calculator Board ... 



Rymer- Jones Guard Ring 



Rymer-Jones High Resistance Break Test 



Diagram of Cable Charge 



Diagram of Correction Charge 



Schaefer's Break Test 



Analysis of ... 



Bridge Connections... 



Earth Current Observation 



Sign of Earth Current 



Sullivan's Identification Test 



Testing Apparatus used during Laying 



Testing Cable in Tank ... 



Testing Room on Board 



Testing and Speaking Connections on Board. 



Tests with SHverto^vn Key 



Varley Loop Metallic Circuit 



Varley Loop Test... 



Tests of Batteries. 



E.M.F. by Deflection 



E.M.F. Comparisons by Slides 



Mance's Battery Resistance Test 

 Muirhead's Battery Resistance Test ... 



Potentials in . . . 



Simultaneous Measurement of Battery Resist- 



FiG. page 



. 280 ^02 



. 305 539 



. 281 503 



. 246 426 



. 247 429 



. 247a 433 



. 240 408 



. 239 407 



. 243 411 



. 241 409 



. 242 410 



. 278 500 



. 74 153 



. 277 498 



. 155 265 



. 156 266 



. 276 497 



. 250 447 



. 251 448 



. 300 532 



.295-299 524-529 



. 290 520 



. 288 517 



. 289 518 



ance and E.M.F. 



Testing Keys. 



Bright's Reverser ... 



Galvanometer Short- Circuit Key 



Lambert's Mixing Key ... 



Price's Mixing Key 



Reversing Switch and Short- Circuit Key 



Rymer-Jones' Key 



Saunder's Capacity Key... 



Tonking's Key 



Thermometers. 



Buchanan-MUler-Casella Thermometer ... 

 Magnaghi Frame ... 

 Negretti and Zambra's Capsizing 

 Weight Capsizing Frame... 



Under- RUNNING Cable 



...291-294 521-523 



... 79 162 



,.. 217 366 



... 266 482 



... 267 483 



.. 75 157 



.. 275 496 



..272,273 488,489 

 76,77,78 158,159 



18, 19 26 



16 25 



15 22 



17 25 



211 359 



