Fig. 15a in Lavori.
Abb. 11 in Meyer.
Abb. 11 in Schöne alte Blütenmuster, photo and directions page 7, chart Fig. 13.
Crochet thread size 150 and size 1/0 needles for an approx. diameter of 20 cm/8”.
Medium-weight art-silk and size 2½ needles for an approx. diameter of 50 cm/17½”.
(Old German needle sizes)