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• 17:19, 19 July 2023 GoldenPhoenix talk contribs created page C10 KL1 (Created page with "Category:Slide rule During the 1960s, several manufacturers in the Soviet Union created the '''C10 KL1''', a circular "pocket watch" slide rule with the same computing power as the contemporary Mannheim layout rules of the day. {{Infobox calculator|name=C10 KL1|type=Slide Rule (Circular)|cost=3 Rubles, 10 Kopeks (approx. $3.00)|precision=2 to 3 significant digits|display_type=analogue scales, fixed index cursor and moveable needle|dimensions=5cm diameter, 2.1 cm thi...") Tag: Visual edit: Switched