This is an Army grouping that belonged to a Joseph Turner. He first joined The South Staffs Regiment in 1922. He then enlisted in The Wiltshire Regiment, serving in India from 1923 to 1930. There is Turner's 1924 Army Cookbook course folder, which is a most detailed notebook. In addition, there are Turner's Army certificates and his 1930s Radio licences , dated from 1932 upto 1939. The grouping is on sale here, as found.
