This vintage DIETZGEN Microglide slide rule, model no. 1734, is a classic piece of engineering history. With a sleek design, this slide rule was manufactured in the United States in 1950 and is a great addition to any collector's arsenal. The slide rule includes decimal, trigonometric, and logarithmic scales, making it a versatile tool for various engineering calculations. The slide rule comes with its original leather case and box. There was a small Sun Hemmi slide rule inside box. Pickup or priority shipping and handling will be $12 with payment of cash, check, Zelle or the CashApp