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How did Francis Cabot Lowell improve the power loom?

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Diagram titled Spinning jenny showing an operator using a hand wheel to rotate a cord-driven roller, drawing and twisting fibers from multiple clamped rovings onto tilted spindles; numbered callouts trace the process from roving to thread. — textile An annotated diagram showing how an operator uses a hand wheel, rollers, and spindles on a spinning jenny to draw and twist unspun fiber into thread.

Francis Cabot Lowell did not invent the power loom, but rather improved upon existing designs to increase its efficiency and practicality for the American textile industry.12

Working alongside inventor Paul Moody, Lowell experimented with the power loom to increase its weaving speed. Additionally, he made significant improvements to the dressing machine, which was a critical component for the success of power-driven weaving. By refining these mechanisms, Lowell helped transform the power loom into a practical tool for the mass production of cotton goods.12