So Howe woke one morning to
find himself enjoying a large income, which in time rose as high
as four thousand dollars a week, and he died in 1867 a rich man.
Though the basic nature of Howe's patent was recognized, his
machine was only a rough beginning. Improvements followed, one
after another, until the sewing machine bore little resemblance
to Howe's original. John Bachelder introduced the horizontal
table upon which to lay the work. Through an opening in the
table, tiny spikes in an endless belt projected and pushed the
work for ward continuously. Allan B. Wilson devised a rotary hook
carrying a bobbin to do the work of the shuttle, and also the
small serrated bar which pops up through the table near the
needle, moves forward a tiny space, carrying the cloth with it,
drops down just below the upper surface of the table, and returns
to its starting point, to repeat over and over again this series
of motions. This simple device brought its owner a fortune. Isaac
M. Singer, destined to be the dominant figure of the industry,
patented in 1851 a machine stronger than any of the others and
with several valuable features, notably the vertical presser foot
held down by a spring; and Singer was the first to adopt the
treadle, leaving both hands of the operator free to manage the
work.
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