Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 629
the loop extends behind the bobbin, around the point of the hook n, and across the front jf the bobbinto the needle h, thus sm-rounding the bobbin and inclosing the lower thread z. The hook revolvingfurther, the loop e slips off from the point of the hook, and being drawn up, interlocks with the…
Mechanical engineering · Mechanics · Engineering
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