The product is a Frederick Post Original slide rule from Hemmi Japan, with the model number 1460 Versalog. It is a collectible item in the category of science, medicine, and engineering, specifically post-1930. The slide rule is in its original condition, meaning it has not been modified, and comes with its original case for preservation and storage. This vintage tool would be valuable for collectors or professionals in the field of engineering and mathematics. See pictures as they are part of the description.