original and intact c. 1930's american industrial four-legged riveted joint steel factory machine shop stool designed and fabricated by the angled steel company, plainwell, mich. the refinished low-lying stool retains the original solid maple wood seat with sunken center. the riveted and welded joint base with stretchers provides added stability and durability. the circular-shaped seat has been lightly sanded and sealed. the brushed metal base has been treated with a clear coat lacquer. great overall condition.