310 



INDEX 



Hauling: (continued) I-M.I: 



Muut (.'enis Tunnel :*- 



Saiiit Gothanl Tunnel ir.i 



Simplou Tunnel 102 



Hoisting Machinery 58 



Hoosac Tunnel 124 



Jacks 



263 



Lighting : 



Acetylene Gas 298 



Coal Gas 298 



Electricity 299 



Lamps and Lanterns 297 



Linings : 



Iron 69, 215 



Iron and Masonry : 70 



New York Rapid Transit Ky. 



Tuuuel 196 



Masonry : 70 



Accidents and Kepairs to . . 142 



Austrian Method 165 



Baltimore Belt Line Tunnel . 152 



Belgian Method 137 



Boston Subway 190 



Centers for Arches 64' 



English Method 159 



German Method 148 



Ground Molds for 62 



Invert 73 



Italian Method 169 



Leading Frames for 63 



Mont Cenis Tunnel 92 



Quicksand Method 176 



Roof Arch 72 



Saint Gothard Tunnel .... 117 



Side Walls 72 



Thickness of 74, 78 



Purpose of 68 



Timber 68 



Machinery, Hoisting 58 



Materials, Character of : 3 



Baltimore Belt Line Tunnel ... 150 



Boston Subway 187 



Busk Tunnel 119 



Mont Cenis Tunnel 88 



New York Rapid Transit Tunnel . 194 



Saint Gothard Tunnel 116 



Milwaukee Water-works Tunnel . . . 230 

 Mont Cenis Tunnel, General Descrip- 

 tion 87 



New York Kapid Transit Railway, 



Tunnel, General Description . . 192 



Niagara Falls Power Tunnel .... 128 



Niches . 76 



FACJK 



Open-cut, Choice Between a Tunnel 



and i 



Palisades Tunnel 125 



Power-Plants : 



Air compressors 81 



Busk Tunnel 121 



Canals and Pipe Lines 81 



Cascade Tunnel 129 



Croton Aqueduct Tunnel .... 126 



General Description 79 



Graveholz Tunnel 129 



Hoosac Tunnel 124 



Mont Cenis Tunnel 90 



Niagara Falls Power Tunnel ... 128 



Palisades Tunnel 125 



Receivers 84 



Reservoirs . . 81 



Saint Clair River Tunnel .... 130 



Saint Gothard Tunnel 117 



Simplon Tunnel 108 



Sonnstein Tunnel 130 



Steam 80 



Strickler Tunnel 127 



Turbines 81 



Saint Clair River Tunnel . ... I'M 

 Saint Gothard Tunnel, General De- 

 scription 114 



Severn Tunnel. General Description . 204 



Shafts, Description of 36 



Shield Construction : 



Cellular Division 258 



Diaphragm 259 



Front End 257 



General Form 255 



Jacks 263 



Rear End 261 



Shell 256 



Shields : 



Barlow's 246 



Blackwall Tunnel 252 



Boston Subway 255 



Broadway Pneumatic Railway Tun- 

 nel 249 



City and South London Railway 



Tunnel 250 



Clichy Sewer Tunnel 253 



East River Gas Tunnel 218 



First Thames Tunnel 245 



North and South Woolwich Subway 249 



Saint Clair River Tunnel .... 251 



Simplon Tunnel, General Description . 94 



Sonnstein Tunnel 130 



Strata, Inclination of 6 



Strickler Tunnel ... .127 



