John Kay (spinning frame) a spinning machine embodying the ideas which they had been developing. Arkwright patented it 1769 without mentioning Kay, his "workman". Kay learned of this patent from another Nottingham inventor, James Hargreaves, and told Hargreaves that it was he, Kay, who was the real inventor. Arkwright accused Kay of revealing the design to Hargreaves, and the two fell out. Kay left Arkwright's Nottingham house, where he had been living, ending their relationship. Kay subsequently accused Arkwright of stealing his work tools, and Arkwright made a counter-charge . The spinning machine as constructed in Nottingham by Kay and Arkwright was powered by
Spinning jenny three carders to provide the roving for one spinner, and up to three spinners to provide the yarn for one weaver. The process was continuous, and done by both sexes, from the youngest to the oldest. The weaver would go once a week to the market with his wares and offer them for sale. A change came about 1740 when fustian masters gave out raw cotton and warps to the weavers and returned to collect the finished cloth (→ Putting-out system). The weaver organised the carding, spinning and weaving to the master's specification. The master then dyed or printed the