British Patent Office - Abridgments Class 112 Sewing Embroidering 1921-1925 (1929)
British Patent Office · leaf 170
SEWING &e. CLASS 112, … The outer cup is pressed inwards by a spring 25 acting on the lifting-lever 28, 198,296. Ehresmann, A., and Streibel, Sewing-machines; feed by dogs; work-sup- ports—In a multiple-needle machine sewing a seam such as that shown in Fig. 7, the throat plate 8, Fig. 6, is recessed from the stitching…
British patents · Patents · Sewing · Embroidering · Embroidery
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