Topics: Bridges (Structures), Wire, Metals, Cables, Machinery

Topics: Cables

Topics: Cotton gins, Fibers, Inventions, Teams, Tides, Waves, Machinery, Patents, Engineers

Topics: Boats, Engines, Steam, Wheels, Rivers, Water

Topics: Aircraft, Design, Engines, Propellers, Aviation, Power stations, Thrust, Jet propulsion, Turbojets

Topics: Guns, Manufacturing, Artillery, Hand tools, Drills (Tools), Drilling, Casting, Cavities, Forging, Gasoline engines

Topics: Glass, Grinding, Lenses (Optics), Telescopes, Universe, Shapes, Surface roughness, Innovation

Topics: Engineers, Railroads, Vacuum, Pistons, Cast iron, Rails

Topics: Mass production, Printing, Metals, Inventions

Topics: Vehicles, Wheels, Bearings, Warfare, Tribology, Iron, Wood products

Topics: Cycles, Cylinders, Engines, Pressure, Pumps, Steam, Steam engines, Vacuum, Valves, Water

Topics: Aqueducts, Engineers, Finite element analysis, Instrumentation, Surveying, Water, Hydraulics, Springs, Civil engineering, Semicircular arches

Topics: Cast iron, Domes (Structural elements), Iron