This weeks article is from the New Zealand Railway Observer Volume 28 , No 2 – Spring 1971 and is:
Rails and Nails, The R.T.P.O. (Railway Travelling Post Office) Story in New Zealand by David Leitch
Each week a new Article from early issues of the New Zealand Railway Observers will be featured. Previous articles can still be viewed via the Publications Tab and then Historical NZRO Articles (the bottom option under this tab).