99) Original ROC Defence Of Great Britain Against Air Attack Observer Cntr Handbooks 1938

99) Original ROC Defence Of Great Britain Against Air Attack Observer Centre Handbooks 1938. A pair of pretty scarce handbooks produced in Preparation for WW2 for the use of the Royal Observer Corps observer posts as part of the early warning system regarding enemy aircraft spotting etc. The larger of the 2 has a printing date of November 1938 and is in good order but shows creasing to the covers, slight curling and some edge folds and wear. The contents is all good and it has 26 pages. For contents list see photos. It is large and measures 12 3/4 inches X 8 inches. The smaller pamphlet has a printing date of September 1939. It is again in good order but a little crumpled and curled up. it has 12 pages. It measures 7 1/4 inches X 4 3/4 inches.