manually fantail rotated milling movable refinements windmills kinetic windmill aerodynamic horizontal caps sails grinding leslie tenth pumping reclamation persia vertical patent timber speeds render turbines varying adjust utilized obsolete primitive grain drag chronological

lift mills eighteenth axis steam automated mechanical framed tower necessity hills groundwork robust exhaustive featured medieval intervention structural electricity earliest wind peak sophisticated reached familiar nineteenth engine projects tool laid track introduction

structures captured transition low machines shifts allowed gave vital richard scale countries meticulously massive centuries learned industrial principles engineering large eventually humanity traditional transformed technological europe pivotal beginning land lessons post generation captures