well-built early american industrial adjustable height angled iron factory machine shop stool likely fabricated by the cleveland wire spring co., cleveland, oh. the c. 1910-15 industrial stool contains a solid round wood maple seat with slightly contoured backrest, supported by high tensile strength brackets. the leg extensions contain flared feet for added support and stability. the factory stool has been refinished. seat height measures 26 1/2 inches.