The product is a set of hints on map reading instructions issued by the War Office in August 1943 during World War II.
WW2 British Army Notes On Map Reading With Fold Out Map
1929-1944 WWII Books incl Hell's Corner/Notes on Map Reading/Battle of Britain
British Army MANUAL OF MAP READING, PHOTO READING & FIELD SKETCHING, 1929/39
Manual Of Map Reading, Photo Reading, Field Sketching All Original Pull Out Maps
Land Navigation Protractor Map Tool Map Reading and Land Navigation for Drawing
Square Protractor Ruler Mils/Meters/Yards Map Protractor Map Reading Precision