Patten (shoe) the nineteenth or even early 20th century. In appearance, they may resemble contemporary clogs or sandals, but though historical usage was apparently not always consistent, the term now is used only to describe protective overshoes worn over another pair of shoes. Pattens were worn during the Middle Ages outdoors and in public places over (outside) the thin soled shoes of that era. Pattens were worn by both men and women during the Middle Ages, and are especially seen in art from the 15th century: a time when poulaines, shoes with very long pointed toes, were particularly in fashion. Medieval pattens
Power shovel 6360, nicknamed "The Captain". Extreme Mining Machines - Stripping shovels and walking draglines, by Keith Haddock, pub by MBI, Power shovel A power shovel (also stripping shovel or front shovel or electric mining shovel or Electric Rope Shovel ) is a bucket-equipped machine, usually electrically powered, used for digging and loading earth or fragmented rock and for mineral extraction. Power Shovels are a type of rope/cable excavator, where the digging arm is controlled and powered by winches and steel ropes, rather than hydraulics like in the more common hydraulic excavators. Basics parts of power shovel including the track system,cabin,cables,rack, stick,boom