A formidable and mighty air conflict rages along the entire battle front of the Old World, necessitating for the victorious combatants all expertness in the clever tricks of rapid maneuvering, together with every known short cut for determining the wide changes in geographical position. Celestial navigation plays an important role, and, as a matter of interest, there are portrayed here the different methods of procedure employed by the opposing flyers to win advantage. Our naval and commercial pilots are now familiar with the new American Air Almanac of 1941, with its convenient material, excellent arrangement, and ease of manipulation.
The German Air Almanac
By E. B. Collins