cover 1915-22 selection of Official reports from weather stations sent from Franzfontein, Ondonga, Outjo (straight line in blue and c.d.s.), Waldau, Waterberg and Witvley, most of these with Defence Department Director of Works, Official Free h.s. in a variety of colours; also 1938 stampless "O.H.M.S." report from Otue (scarce). A fine an unusual lot. (8)