Size can easily be adjusted by using a different size hook and finer thread.

Edited from
from Priscilla Crochet Book, Centerpieces and Doilies Figure 71
Published by The Priscilla Publishing Co. Boston, Mass.
Copyright 1915
Skill Level: Intermediate
Supplies: (as shown) Size 8 Steel Crochet Hook, Size 10 Cotton Crochet Thread,
Stitches Used: ch (chain) slst (slip stitch), sc (single crochet), dc (double crochet), tr (treble crochet), shell (2dc, ch1, 2dc).