Product: HEMMI Slide Rule No. 259D, for Mechanical Engineering, Double-Sided This is a rare item, no longer in production. Condition: In my subjective opinion, the box has some damage, but the slide rule itself is in good condition for a used item, with little evidence of use. - Brand: HEMMI - Type: Slide Rule - Size: Approximately 32cm in length - Material: Wood - Scales: Multi-functional scales It should function without issue, but there may be age-related deterioration and minor scratches from long-term storage. The slide moves smoothly without any sticking. Please check the images for details and purchase with your understanding. ⚠️ This is a personal inspection and not by a professional, so there may be oversights. If you have any concerns, please feel free to comment. ⚠️ ⚠️ This item will only be sold to those who understand the above condition. Please refrain from purchasing if you are overly concerned about minor details, as this is a personal item stored at home. Thank you. ⚠️ Thank you for viewing.