In 1842 J. J. Greenough patented a machine for sewing leather and other heavy material. ... vertical suspension of the cloth was awkward and unmanageable, and the tension vould not be regulated to prevent the skipping of stitches, ... At about this iroe William O. Grover (afterward of the firm of Grover aamp; **ker). of Boston, was attempting the solution of the sew- aj-machine problem in a different manner.
|Title||:||Johnson's Universal Cyclopedia|
|Author||:||Charles Kendall Adams|