robust early 20th century uniquely designed stationary cast iron factory machine base attributed to the rockford machine and shuttle co., rockford, il. the low-lying three-legged base was salvaged from an old steel mill and/or foundry located in the chicago area. the industrial machine base contains a revolving segmented platform or deck with pipe sleeves equipped with set screws in each corner. the deck rotates on a series of friction-reducing bearings sandwiched between the base and deck. the flared legs contain oversized ore-drilled holes for anchoring the base against the floor. the heavy duty american industrial base has been brushed down to bare metal and sealed with a clear coat lacquer. measures 16 x 12 x 23 1/2 inches.