single vintage american industrial adjustable height four-legged angled iron stool reinforced with riveted joints. the intact stationary machine shop stool contains a refinished slightly contoured maple wood backrest and original stained wood composite circular-shaped seat. the stool was designed and fabricated by the pollard brothers company, chicago, ills. the brushed metal base and backrest supports have been sealed with a clear coat lacquer. great overall condition, considering age. the leg extensions contain several pre-drilled holes for maximum height adjustment. measures 15 x 15 x 41. seat height measures 27 inches high, and backrest is 41 inches high.