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enny of Hargreaves. The hybrid scarcely came within the definition of a mule, which is declared by Senator Nesmith of Oregon to be a being without pride of ancestry or hope of posterity. The object of the machine is to deliver the roving with the required degree of attenuation and twist it as delivered. For this purpose, the spindles, instead of being stationary, are placed on a movable carriage, which is wheeled out to twist the threads and wheeled in again to wind on the spindles. Mr. Kennedy, the friend and biographer of Crompton, states:— The great and important invention of Crompton was his spindle-carriage and the principle of the thread having no strain upon it till it was completed. The carriage with the spindles could, by the movement of the hand and knee, recede just as the rollers delivered out the elongated thread in a soft state, so that it would allow of a considerable stretch before the thread had to encounter the stress of winding on the spindle. This was th
gerJan. 19, 1875. 4. Lifting Presser-Foot. 21,671GroverOct. 5, 1858. 24,939KelseyAug. 2, 1859. 28,452ChamberlinMay 29, 1860. 117,708WestAug. 1, 1871. 122,256KennedyDec. 26, 1871. 128,770WestJuly 9, 1872. 129,974ManningJuly 30, 1872. 130,116Fairfield et al.Aug. 6, 1872. 130,674WestAug. 20, 1872. 130,675WestAug. 20, 1872. chardson et al1871 Reissued.45,703.Davis1865116,216.Pratt1871 45,821.Emery1865116,885.Tally et al1871 46,226Emery1865117,774.Harlow1871 Reissued.52,293Kennedy1866118,417.Wyatt1871 53,777.Davis1866119,019Evans1871 Reissued.59,089.Smith1866122,852.Priest et al1872 59,103.Washburn et al1866123,508.Pratt1872 65,077.£ 5,000 as a mark of approbation. Crompton's mule. Crompton's first essays were in the same line as Arkwright's and consisted in sets of drawingrollers. Mr. Kennedy states:— Crompton's first machine contained only about 20 or 30 spindles. He put dents of brass reed-wire into his under rollers, and thus obtained a flute