Antique Polar Cub 4 Brass Blades Table Desk Fan with Wavy Cage. This is an antique brass and cast iron Polar Cub fan. It has 4 brass blades and a black painted cast iron motor housing and base. 6″ blades and 7″ metal cage, 8H overall. Brass Plate on back. Polar Cub Type G. July 5, 1921 Other Pat.