Slide rule RAPHOPLEX Brevete S. G. D. G. 620

Slide rule RAPHOPLEX Brevete S. Complete set (box, case, instructions, ruler). The slide rule is in perfect technical and external condition. But the box has traces of time and is slightly frayed. Feel free to ask questions. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "yourhour" and is located in this country: RU. This item can be shipped worldwide.
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