DITTO, SMALL BLACK ROTATING WHEEL THAT CONVERTS FLAG/HAND SIGNALS TO ALPHABETIC LETTERS, CIRCA 1943

“MAP READING FOR THE SOLDIER”, PUBLISHED BY THE INFANTRY JOURNAL, WASHINGTON, DC, 1944, 101 PAGES, EXCELLENT PHOTO ILLUSTRATED MANUAL, C/W SAMPLE TRAINING MAPS WITH INSTURMENTS IN REAR SLIP CASE, FINE