Vintage Chadwick’s sock pattern book

Vintage Chadwick’s Red Heart wool sock pattern book in good used vintage condition from a pet friendly and smoke free home. It is somewhat delicate as it is quite old and has been used. There are some hand written notes on one pattern which adds to its charm. Book No. 250. Magazine measures just 10.5 x 7.5 inches. 15 pages and 20 patterns. From the 1940s.