<span>The first working
lockstitch/sewing machine was invented by Englishman Thomas Saint in 1790.
Lockstitch machines have long history of development, but the three inventors
have been most important for development are Charles Fredrick Wiesenthal,
Thomas Saint and William Newton Wilson. Charles Fredrick Wiesenthal invented the
first patent for lockstitch machine, the design of the first working lockstitch
machine was made by Thomas Saint which William Newton Wilson later improved
improved.</span>
The first Lock stitch sewing machine was invented by Walter Hunt in the year 1832. His machine was comprised of an eye-pointed needle (with the eye and the point on the same end) carrying the upper thread and a falling shuttle carrying the lower thread.
They may BOTH come from animals like cows.. It is good to know for your health or for some people their diet also it can help u learn more about diffrent food groups.... Hope that helped