Interesting reference to a “sleeping sickness” presumably encephalitis lethargica, depicted in the movie Awakenings.
Senior CWB – Central Welsh Board, final school exams.
Pitman courses – secretarial courses established 1837.
Cheshire’s – Cheshire Regiment to which GCR’s Battery was attached.
Good news from France – probably the failure of Germany’s last great offensive.
Cefn – Cefn Mawr near Llangollen, the Roberts’s previous home.