The Pattern needs a Cable needle to hold some of the stitches.

Measurements
Width round head
34, 38, 42, 45, 48 cms (13½, 15¼, 16¾, 18, 19¼ ins)

Each pamphlet has a different set of recommended yarns. The following are from the Peter Gregory version.

Materials
PETER GREGORY Double Knitting
Peregrine DK
1, 1, 1, 1, 1 100 gram balls
Gosling DK
1, 2, 2, 2, 2 50 gram balls
Snowgoose All Wool DK
2, 2, 2, 2, 3 50 gram balls.