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DEVICE FOR SIMULTANEOUS PLOTTING QUADRATIC, CUBIC AND QUARTIC CURVES
DEVICE FOR SIMULTANEOUS PLOTTING QUADRATIC, CUBIC AND QUARTIC CURVES
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机译:用于同时绘制二次,三次和二次曲线的设备
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摘要
A device for simultaneous plotting quadratic, cubic and quartic curves has a rectangular lever with slots, a link, a ruler connected by hinges and sliders. It is equipped with a rectangular yoke, two beams and horizontal and vertical links connected by cross-shaped and T-shaped sliders.
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