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 17
Fig. 2. Winder Bobbin, Empty and Filled. The action of the cup attached to the filling or building rao-tion controls the diameter of the bobbin, four to six inches as pre-determined, or any size between. The building motion has a riseand fall corresponding to the height of the cone-shaped part of…
Knitting machines
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