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Mrs. Gaugain continues:
"TATTING OPEN STITCH, SCOLLOP BOBBIN TRIMMING,
For the Edging of Petticoats, &c. &c. ; as Represented in Engraving at Beginning of Book
This is worked with fine bobbin, such as is used for children’s caps. Seven long loops form a pretty scallop.
The loop round the fingers if formed as before described in foregoing receipt; so is the first stitch; next stitch, throw the thread over the back of the hand, instead of bringing it towards you as in the first stitch, and insert the needle down through the finger loop between the first and second fingers; draw it up through between the two threads over the back of the fingers, and with the second finger form the stitch as before; next stitch as first, only leave it long, so as to form a long loop; then again the stitch over the back of the hand. Repeat the long loop and the one over the hand alternately, until you have the seven loops; then draw up the thread to form the scallop. Plain Tatting may also be done in the same manner as the second stitch here described. "
Here, in this final pattern, we finally get the directions for making the other half stitch to make up the double stitch. Note that the halves of the double stitch do not have names, and that she makes our "second" half first. Picots are called "loops", and are made between the double stitches by leaving a longer bit of thread before making the next stitch. Bobbin was a sort of thread, which was used interchangeably with a coarse loosely twisted cotton thread.