Fowler's “Magnum” Long Scale Calculator in Leather Case 1930's

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Fowler's “Magnum” Long Scale Calculator in Leather Case Pre Owned This calculator looks to be in very good cosmetic condition. The rule is marked “Fowler's Long Scale Calculator Magnum” and Patent and Fowler & Co. in Manchester. Made in the 1930's Designed for engineers, draughtsman and science student with several advantages over straight slide rules. The calculator consists of two dials and two rotating knobs. These dials are synchronized with a rotating radial hairline cursor to solve problems with cubes, powers, roots, Log, Sin, Cos, Tan as well as routine arithmetic. Comes with original instruction book and dark brown leather case with dark red felt interior Please see pictures for details. Info For any more pictures or information regarding this item please do contact me For international postage please contact me prior to bidding as postage costs vary Postage or collection Paypal / cleared personal cheques / postal orders / cash on collection accepted Terms & Conditions: Returns accepted on condition item is faulty and is in same state as despatched (return postage to be paid by customer) Returns not accepted if item is fully operational and is as described on listing. If unsure of terms please e-mail us for clarification prior to bidding. If you are happy with the item please DO leave feedback If you are not read more