This pattern is called Winter Stripes in The Family Knitting Book.

In The Family Knitting Book, the picture is on page 93, and instructions are on page 92.
In the Chunky Jackets pamphlets this is pattern 1, illustrated on the front cover and on page 4, with start of instructions on page 2.

Materials
To fit Bust sizes
65/70, 75/80, 85/90, 95/100 cms
26/28, 30/32, 34/36, 38/40 ins
Finished measurement
74, 83, 95, 107 cms
29½, 33, 38, 43 ins
Length to shoulder
54, 64, 69, 72 cms
21¼, 25¼, 27, 28½ ins
Sleeve seam
32, 40, 44, 44 cms
12½, 15¾, 17¼, 17¼ ins

Each pattern has a different set of recommended yarns. The following are from the Ladywood Chunky Jackets Pamphlet.

Materials
LADYWOOD Yarns
Double Double Knitting or
Pure Wool Shetland Chunky
M 10, 12, 14, 16 balls
A 2, 2, 2, 2 balls
B 2, 2, 2, 2 balls
Open-ended zip fastener to fit front of Jacket.