Knitting; a manual of practical instruction in the mechanical details of all types of knitting machinery, their operation, adjustment, and care (1909)
American School of Correspondence, Metcalf, M. A. [from old catalog] · Chicago, American school of correspondence · leaf 352
read chainstitch, because the second or additional threatl not only doubled theseams strength, but the manner in which the two threads w^ere loopedor interlaced with each other, produced a greater degree of elasticity—two elements which we know are of vital importance. THE LOCK STITCH, DOUBLE CHAIN… … Pig. 10. Diagrams of the Lock Stitch. 319
Knitting machines
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