I found the book "Priscilla Cotton Knitting Book" on the website "Antiquepatternlibrary.org". I love this edging, "Figure 89 Edging, pictured on page 46 and instructions on page 42. I thought I would convert the written inst to Stitch Maps. Pattern calls for crochet cotton No. 50 and steel knitting needles No. 14 (2 mm)
Shown with a cast-on count of 15 stitches.