Radiac Radiation Circular Slide Rule - US Army - 1995

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Radiac Calculator Circular Slide Rule is an unusual Radiac calculator circular slide rule. This a very interesting piece of history from the Cold War era, and probably one of the very last items from the cold war. This particular one is marked " US ARMY TRAINING SUPPORT CENTER (TSC) HEADQUARTERS, DEPT OF THE ARMY JUNE 1995 ". The radiac calculator slide rule calculates contamination from an nuclear burst (atomic explosion). It consists of four concentric discs, three of which rotate to calculate exposure to an atomic blast. The slide rule is in very good condition, showing some light surface scratches. It is made of plastic and has a diameter of approximately 5 inches. Some simple directions are printed on the back of the slide rule. Sorry, but I don't have the case for this item. (You can see all of the details by .) The winning bidder pays actual shipping. For U.S. addresses, shipping can be by USPS Priority Mail with delivery confirmation would at $4.60. First class mail would be about $2.00. I don't charge any fees for handling or packing. (Insurance is available at actual cost at the option of the buyer.) Please check my other auctions for more slide rules. Shipping can be combined at the actual cost as charged by the post office. Please feel free to email with any questions. Thanks for looking and good luck! If you are planning read more