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Vintage Soviet Analog Computer  OLD Round Slide Rule  KL-1         ORIGINAL  Soviet Mechanical Calculator    KL-1 Round SLIDE RULE  - Soviet Union - Description Diameter 52 mm Multiplication Division Squaring Extraction of a square root Detection of trigonometrical functions of a sine Detection of trigonometrical functions of a tangent Detection of return trigonometrical functions (sine and tangents) Calculation of area of a circle. Functional Condition - Made in USSR   -   Payments,Terms , Shipping & Other Info I accept PayPal  , Moneybookers and Wire bank transfer, $ or € (IBAN / BIC, SWIFT). I send WORLDWIDE in within 24 hours after receipt of payment by Economy or Expedited (EMS) Registered AIR Mail. my other interesting auctions   in my      Contact me about combined shipping - I will do everything in the best shape. You will be satisfied. Return policy :  Item must be returned within 7 DAYS after the buyer receives the item.  Shipping fee will not be refunded.  All items must be return in original conditions without any physical changes with all of its components.  Return shipping charges are the sole responsibility of the customer.   I think this item will take its worthy place in your collection.  Thank you  for attention and good luck in bidding.!! About Me My Auctions Add to Favorites Contact Me