CONTENTS.
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Formulse for Lattice Girder Bridge, ... ... ... ... ... ... ... 1032
Details of Lattice Girder Bridge over the Ohio , ... ... ... ... ... 1033
CONSTRUCTION OF SUSPENSION BrIDGES :
Clifton Suspension Bridge at the Falls of Niagara—General Dimensions—Con-structive Details—Strength of the Bridge , Cables, and Stays—Effects of Tem-perature and of the Wind—Manufacture of the Cables, Stays, Suspenders, and
Guys—The Towers, ... ... ... ... ... ... ... ... 1036
Details of East River Bridge , New York , ... ... ... ... ... ... 1052
Other Large-span Bridges—The Forth Bridge—Bridge over the Douro , ... 1053Action of Wind on Bridges and Chimneys , ... ... ... ... ... 1054
Tabulated Statement of some Bridges of large Span, .1055
Marine and Submarine Works:
vSubmarine Tunnels—The Mersey, Severn, and Hudson Tunnels, ... ... 1056
Lighthouses—Eddystone—Lighthouse in Iron and Concrete, .1058
Details of Swing Bridge at Leith Docks, ... ... ... ... ... ... 1061
CONSTRUCTION OF TUBULÄR WROUGHT-IRON CRANES :
Examples of Small-sized Cranes at Devonport Dockyards—Their Deflection, ... 1069Details of Sixty-ton Crane erected at Devonport Dockyards, ... ... ... 1071
Arrangement of a Forty-ton Crane , ... ... ... ... ... ... ... 1076
Portable Steam Crane at Glasgow Harbour, ... ... ... ... ... 1077
Cranes for Tipping Coal Waggons, Masting, &c., ... ... ... ... 1077
Seventy-ton Steam Crane erected at Dundee by Taylor & Co. of Birkenhead , ... 1080Five-ton Steam Crane for Ships, ... ... ... ... ... ... ... 1081
Winches for Ships, ... ... ... ... ... ... ... ... ... 1083
Steam Fire Engine. Details of Engines by Merryweather and Sons, and Shand,
Mason, & Co.—Engine for River and Harbour Work, ... ... ... 1085
Gas Engine . Details of Otto’s Engine—Clerk’s Engine,. ..1087
Caloric or Hot-air Engine, .1090
Electric Lighting. The Incandescent Lamp , 1091
The Strength of Materials :
Cohesive Strength of Bodies—of Timber—of Steel, &c.—Transverse Strength ofBodies—Strength of Rectangular Beams—Table of Lateral Strains—Safe Loadsfor Beams—Torsion or Twisting—Crushing and Bending—Table of Tensile Strength of Wrought-iron Plates—Tenacity of Stone, &c.—CompressiveStrength of Wrought Iron—of Steel—of Wood—Stone, &c.—Factors of Safety, 1093Specific Gravity of Materials—Iron—Seasoned Woods—Fluids and Gases—
Metals—Stones—Artificial Substances,. ... 1099
Mechanical Means for Transmitting Power, .1101
The Parallelogram of Forces, .1102
Formulse for Wheels, Shafts, &c.:
Teeth of Wheels—Strength of Round Shafting to resist Lateral Stress—ShaftBearings—Couplings and Distance between Pillow-block Supports—Pulleys, 1104Fittings for Line Shafts, ... ... ... ... ... ... ... ... 1107
INDEX,