As well as the two pairs of needles, this pattern uses a circular needle size 3.75mm to knit the yoke.

Measurements
To fit chest
61, 66, 71, 76, 81, 86, 92, 97, 102, 107 cm
(24, 26, 28, 30, 32, 34, 36, 38, 40, 42 inch)
Length from back neck
39, 43, 47, 51, 57, 60, 62, 66, 67, 68 cm
(15½, 17, 18½, 20, 22½, 23½, 24½, 26, 26½, 27 inch)
Sleeve seam
25, 28, 31, 35, 38, 40, 43, 46, 46, 46 cm
(10, 11, 12, 14, 15, 16, 17, 18, 18, 18 inch)

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

Materials
PETER GREGORY DOUBLE KNITTING
Wool Double Knitting (pure new wool)
M 5, 6, 6, 7, 8, 8, 9, 10, 11, 11 50 gram balls
A 1, 1, 1, 1, 1, 2, 2, 2, 2, 3 50 gram balls
B 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 50 gram ball
Super Nylon (machine washable)
M 9, 11, 12, 14, 15, 16, 18, 20, 21, 22 hanks
A 2, 2, 2, 2, 2, 3, 3, 4, 4, 5 hanks
B 1, 1, 1, 1, 1, 1, 2, 2, 2, 2 hanks
Courtelle/Bri-Nylon (machine washable)
M 10, 12, 13, 15, 16, 17, 19, 21, 22, 23 balls
A 2, 2, 2, 2, 3, 3, 4, 4, 4, 5 balls
B 1, 1, 1, 1, 1, 2, 2, 2, 2, 2 balls
Acrylic/Wool (machine washable)
M 4, 4, 5, 5, 6, 6, 7, 7, 8, 8 50 gram balls
A 1, 1, 1, 1, 1, 1, 2, 2, 2, 2 50 gram balls
B 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 50 gram ball
Stitch holders
8, 8, 8, 8, 8, 9, 9, 9, 9, 9 buttons.