Path to Mechanized Shoe Production in the United StatesWhile demonstrating his machine, Singer introduced a foot treadle to allow him to use both hands to guide the cloth to be stitched. ... needle thread, expanded the loop, and rotated the loop around the bobbin, enclosing the thread of the bobbin in the loop of the upper thread. ... The loomlike shuttle was dispensed with, and the resulting stitching mechanism was faster, quieter, and, since the power loss in anbsp;...
|Title||:||The Path to Mechanized Shoe Production in the United States|
|Publisher||:||UNC Press Books - 1989-01|