ng. For marking linen handkerchiefs it is the most satisfactorymaterial you can select. Whenever treatment calls for an outline in back-stitch, as in Fig. 77 or Fig79, we use the Corticelli Etching Silk No. 500 (Fig I), which is hardertwisted than Filo Silk; the latter,being slack twisted, should… … Fig. 78. —Embroidered Monogram.