Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 631
n its proper position. The upper thread c has been drawn further behind the bobbin, thencearound the hook at </, and diagonally across the periphery of the hook in the groove by b to h theneedle. As the hook further revolves to the position in fig. 3325, both lines of the loop e are upon thesame…
Mechanical engineering
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