boats and ships

automatic throttle valve Bahama grass Baisakh cadmium sulphide photo varistor confused indication counterpropagation laser pulse deliberate antisubmarine attack dicyclic ring Intact Baby Movement Kaiserswerth machine final-terminal stopping device pell method RooseveltFranklin Delano roughness of engine running yield single collar type solar corpuscular beam solar sunspot stellreflexe synchronizing field