This free pattern originally published in the Woolco Knitting & Crocheting Manual, in 1916.
Buy the digitally restored eBook for $2.49.

MATERIAL-5 skeins of white or color Woolco Germantown Zephyr. No. 4 Woolco hook.
Chain 4. Join with a slip stitch.
1ST ROW-12 double crochet in ring. Join, chain 2 every round.
2D ROW-2 double crochet in each stitch.
3D ROW-*2 double crochet in 1st stitch, 1 in next stitch. *
4TH ROW-2 double crochet in 1st stitch, 1 in each of the next 2 stitches.
5TH ROW-Same as 3d.
6TH ROW-Same as 4th.
7TH ROW-*2 double crochet in 1st stitch, 1 in each of the next 3. *
8TH ROW-*2 double crochet in 1st stitch, 1 in each of the next 4. *
Increase this way until there are 13 stitches in each gore.
17TH ROW-Even.
18TH ROW-Decrease 1 stitch in each gore.
19TH ROW-*Make 1 stitch in each of the next 4 stitches, work the next 2 together. *
20TH AND 21ST ROWS-*Decrease in every 3d stitch.*
22D ROW-*Decrease in every 2d stitch. *
Make 5 rows of single crochet, taking both loops.
Other great hat patterns from Woolco Knitting & Crocheting Manual.
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Cap
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Toque I
Toque II