Different Gauge in two other parts
1: 18 stitches and 31 rows = 10 cm
in purl stitch pattern using 4.5 mm needles
2: Centre pattern panel on back and front (52 stitches) measures 22 cms (8 3/4 ins) using 4.5 mm needles

Measurements
To fit chest
66 71 76 81 86 92 97 102 107 112 cm
(26 28 30 32 34 36 38 40 42 44 in)
Length from back neck
45 47.5 53.5 58 63.5 65.5 68 70 72.5 72.5 cm (17½ 18¾ 21 22¾ 25 25¾ 26¾ 27½ 28½ 28½ in)
Sleeve seam
31 37 40.5 44 45 45 46 47 47.5 47.5 cm
(12¼ 14½ 16 17¼ 17½ 17½ 18 18½ 18¾ 18¾ in)

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

Materials
Aran Knitting (60% wool 40% nylon)
2 3 3 3 4 4 4 5 5 5 X 250 gram balls
Snow Goose Aran
5 5 6 7 8 8 9 10 11 11 X 100 gram balls
Yarn for embrodery if required
Cable Needle
Stitch holders.