Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 631
the loop extends behind the bobbin, around the point of the hook a, and across the front if the bobbinto the needle A, thus surrounding the bobbin and inclosing the lower thread .-. The hook revolvingfurther, the loop e slips oil from the point of the hook, and being drawn up, interlocks with the…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
