My Dad's Diary : Wed 12th November 1947

"Took up duties as senior messenger, No.11 Block, C.R.O."

C.R.O. was Central Records Office, part of the Ministry of National Insurance.

My Dad's Diary : Mon 10th November 1947

"Still up in 12D. Rather sick of doing someone else's work.

APPT'D SENIOR MESSENGER."

Hurrah!