Gauge
5 sts to 1 in and 8 rows to 4 cm measured over pattern with 6mm needles.

Measurements
To fit chest
61, 66, 71, 76, 81 cm
(24, 26, 28, 30, 32 inch)
Length from back neck
35, 40, 46, 51, 56 cm
(13½, 15½, 18, 20, 22 inch)

Each pamphlet has a different set of recommended yarns. The following are from the Midgley and Catton version.

Materials
Puritan Double Double Knitting
5, 5, 6, 7, 9 balls
Open end zip fastener:
30, 35, 40, 46, 51 cm
(12, 14, 16, 18, 20 inch)
Stitch holders
Medium size crochet hook.