I made this bonnet following a vintage pattern from Crochet for Your Baby and Knit Too! Star Baby Book 130 by American Thread Company, 1956.
I used a small amount of leftover category 1 yarn from my stash. I'm not sure what size hook I used. I just went alone with a steel hook that felt comfortable for this yarn. It's a vintage hook, and all it says on it is "Boye 1", and on the other side "U.S.A. 10 cents".
The finished size in the original pattern is 6 months, but my bonnet came out about the size 0-3 months. It fits my 20 inch doll perfectly.
I post the pattern exactly as it appears in the original publication. However, I added a few notes of mine.
In third rounds all it says is to increase 6 dc. So in green font in parenthesis, I wrote how exactly I made my increases.
Also I started my sixth round with a chain; I also indicated that in green font.
Otherwise, the pattern was easy to follow and I made my bonnet in one evening.
Chain (ch) 4,
join to form a ring, ch 3 [counts as 1 double crochet (d c)], 13 d c in ring,
join.
2nd Row. Ch 3, d c in same space, * 2 d c in next d c, repeat from *
all around, join in 3rd stitch (st) of ch (28 d c).
3rd Row. Ch 3 and working in d c, increase 6 d c evenly spaced (34 d
c). (ch 3, dc in next 2 dc,
2 dc in next dc, *dc in next 3 dc, 2 dc in next dc* 5 times, dc in last 4 dc)
4th Row. Ch 3, d c in same space, ch 1, 2 d c in same space, * skip 1
d c, 2 d c in next d c, ch 1, 2 d c in same space (shell), repeat from * all
around, join in 3rd st of ch (17 shells).
5th Row. Slip stitch (sl st) in ch 1 space, ch 3, d c in same
space, ch 1, 2 d c in same space, * 2 d c in next ch 1 space, ch 1, 2 d c in
same space, repeat from * all around, join.
6th Row. (ch 1) 1 single crochet (s c) in same space, 1 s c in each of the
next 7 d c, ch 3, shell in center of next shell, * shell in center of next
shell, repeat from * 11 times (13 shells), ch 3, skip 2 d c, s c in next d c, 1
s c in each of the next 7 d c, do not join, place a marker at beginning of each
row.
7th Row. 1 s c in each of the next 8 s c, 2 s c over next ch 3 loop,
* shell in next shell, repeat from * 12 times, 2 s c over next ch 3 loop, 1 s c
in each of next 8 s c.
8th Row. 1 s c in each of the next 10 s c, ch 3, * shell in
next shell, repeat from * 12 times, ch 3, 1 s c in each remaining 10 s c.
9th Row. 1 s c in each of the next 10 s c, 2 s c over next ch 3
loop, ch 3, * shell in next shell, repeat from * 12 times, ch 3, 2 s c over
next ch 3 loop, 1 s c in each remaining 10 s c.
10th Row. 1 s c in each of the next 12 s c, 2 s c over next ch 3
loop, ch 3, * shell in next shell, repeat from * 12 times, ch 3, 2 s c over
next ch 3 loop, 1 s c in each remaining 12 s c.
11th Row. 1 s c in each of the next 14 s c, 2 s c over next ch 3
loop, ch 3, * shell in next shell, repeat from * 12 times, ch 3, 2 s c over
next ch 3 loop, 1 s c in each remaining 14 s c.
12th Row. 1 s c in each of the next 16 s c, 2 s c over next ch 3
loop, ch 3, * 3 d c in center of next shell, ch 1, 3 d c in same shell, s c
between shells, repeat from * 12 times, ch 3, 2 s c over next ch 3 loop, 1 s c
in each remaining 16 s c.
13th Row. 1 s c in each of the next 18 s c, 2 s c over next ch 3
loop, ch 3, * 3 d c, ch 1, 3 d c (shell) in center of next shell, ch 2, s c in
s c between shells, ch 2, repeat from * 12 times but ending with ch 3, 2 s c
over next ch 3 loop, 1 s c in each remaining 18 s c, join, cut yarn. Lace
ribbon through shells of 11th row. Trim with ribbon rosettes as illustrated.