Printed by A Wheaton & Co Ltd, of Exeter. By Captain W Stanley Lewis and F W Morgan.
Acrylic Protractor Ruler Compact Map Reading for Engineering Map Protractor Map
Protractor Ruler Precision Map Reading For Engineering
Land Navigation Protractor Map Tool Map Reading and Land Navigation for Drawing
Land Navigation Protractor Map Reading and Land Navigation for Measuring
The War Office. Notes On Map Reading 1929 - reprinted 1939 No's 1 to 4 Book
Square Protractor Ruler Map Protractor Easy Carry Mils/Meters/Yards Map Reading