This vintage Frederick Post Hemmi slide rule is a unique addition to any collection. Made in Japan, it is a rare find for collectors of engineering memorabilia. The rule is made of bamboo and has a white color, with a leather case included for safekeeping. It is a non-modified item and does not come with any California Prop 65 warning. This slide rule is perfect for those interested in the history of engineering and medicine, and would make a great gift for any collector or enthusiast.