INDEX. 



55a. 



Galvanometer, Damping by Bridge Arms, 



383 

 Damping Suspension for, 



164 

 Joint Resistance of, with 



Universal Shunt, 390 



Kelvin's Marine, 163 



— — Reflecting as Milamme- 



ter, 534 

 — — ■ Resistance, Measurement 



of, 532 



Short-circuit Key, 366 



— — Sullivan Differential, 435 



Sullivan's Universal, 365, 



368, 373 

 Glass and Elliot on Sheathings, 106, 107 

 Gott, John, Fault Searcher, 267 



Bridge Standardising Arm, 515 



Capacity Test, 484 



Graphic Treatment of Tests, 536 to 544 

 Grapnel, Atlantic Cable, 195 



Benest's, 200 



by F. R. Lucas, 198 



r- by Telegraph Construction Co., 



193 



Cole's Centipede, 195 



— Francis Lambert's, 198 



-: Hill's, 208 



Jamieson's, 202 



Johnson & Phillips, 194, 201 



Latimer Clark's, 198 



Mance's, 195 



Murphv's, 206, 207 



Rennie's, 209 



Rope Couplino-. 197 



Stallibrass, 205 



Trailers and Ropes, 196 



Trott and Kingsford's, 204 



— Umbrella, 194 



— W. Claude Johnson's, 198 



— Weio-hino-, 216 



Grappling, 193, 210, 217, 219 

 Graves, Mr., 191 



Gray, Matthew, on Taping of Sheathing 

 Wnes, 78 



• Friction Table, 133 



Gray, Robert Kaye, 129, 155 

 Granville, Air Space Cable, 86 

 Great Northern Telegraph Co., 330, 458 

 Gutta Percha, Action of Resin on, 70 



Advantages over Rubber, 



67 



and Copper, 50 



Capacity of, 53 



Collection of, 69 



Composition of, 70 



Gutta Percha, Compounded, 54 

 — • Compounding of, 49 



Effect of Sea Pressure on, 



47 



Effect of Sea Temperature 



on, 28, 47, 68 



Proportion and Cost of, 43 



Resistance of Cubic Naut, 



49, 50 

 Sources of Supply of, 68, 



69 

 Specific Resistance of, 49 



Treatment of, 71 



Variation with Pressure, 



68 

 • Weight of in Atlantic 



Cable, 88 

 Halpin, Capt. R. C, 296 

 Hauling Electric, 356 



Gear, 350 



Machine, Portable, 355 



Hemp for Cables, 73, 77, 218 



Trott and Hamilton's, 78 



Hill, W. J. E., Grapnel, 208 



Hooper's Rubber, 68 



India Rubber, 67 



Effect of Pressure on, 68 



Effect of Temperature on, 



68 



Hooper's Vujcanised, 68 



Isaacs, P. L., Triple Bow Sheaves, 308 

 Jacobs, F., Dead-beat Mirror, 190 

 James, Samuel, C.E., Submarine Sentry, 



33, 34, 35 

 Jamieson's Grapnel, 202 



Pocket Book, 276 



Johnson & Phillijjs, 349 



Brake Gear, 298 



Core Serving Machine, 91 



Dynamometer, 214 



Grapnel, 193, 201 



• High-speed Sheathing Ma- 

 chine, 104 



Hydraulic Brake, 299 



Milammeter, 371 



— — ■ Picking-up Gear, 245 



Portable Hauling Machine, 



355 



Sounding Machine, 15, 16 



Johnson, W. Claude, Grapnel, 198, 203 

 Joint Cooling Tray, 276 



in Core, 270 



Tests at Factory, 105 



Jona, E., on Break Curve?, 536 

 Jordan and Schonau's Earth Overlap 

 Test, 458 



