... Diversarum Artium (Theophilus) 196Schelde-Rhine Canal 492Schneider Trophy 630schooners 524, 526Schuylkill and Susquehanna Canal 511science, distinct from technology 2–4Scotch turbine 243 screen ... 20, 245 –60 see also sailingships; windmillswind turbines 259windlass, horse-powered 264Windmill by a River (van Goyen) 248 windmills 20, 245 –6, 259 glossary of terms269–70 sails 246 , 247 , ... 282 poppet 282 slide 282, 344–5,404 thermionic 41, 727, see also diode; triodeWankel rotating disc 328Van Harinxma Canal 492Van Starkenborgh Canal 492Vanguard rocket 656Variomatic belt dirve...