This vintage cutting speed tool from the Cleveland Twist Drill Company, made in the United States in 1937, is a valuable addition to any collection of tools and machining equipment. Its 2-sided calculator design is both aesthetically pleasing and functional, allowing for quick and accurate calculations of cutting speeds.

Perfect for collectors or those who appreciate well-crafted vintage tools, this item is a must-have for any workshop or display. Its high-quality construction and historical significance make it a great conversation piece and a testament to the ingenuity of American manufacturing in the early 20th century.