Visit our Store for many more items. Everything you see is in stock and ready for immediate shipment. Fredrick Post Model 1447 Student 10 inch Slide Rule ( Mannheim Type) w/ case Item Description : clean but with writing , case is a worn with one end busted open, has writing Reference # DES-09816-6C0055 Warranty All purchased items include a 60 day warranty from the date of purchase, unless otherwise stated. This warranty does not include items sold "as is" or "for parts only". Item must be returned in the same condition as purchased, and security seals must not be tampered with or removed, doing so it will void this and any warranty. Shipping and Handling Packaging : All items are packaged to survive the shipping process, please understand we cannot go cheaper on shipping and expect for our units to be undamaged in the transport process. International Shipping : All items sent internationally have the shipping calculated automatically by the shipping service. We have no control of that cost. Next Day Air or 2 Day Delivery Is Available, I can use your UPS account or give you a price, Please Message Us . Your business is important to us, if there is any problem with your purchase or the transaction in any way please let us know asap and we will assist you. Powered by SixBit's eCommerce Solution