Climate and Weather for Flight in Naval Operational Zones, 1944, NAVAER 00-8OU-20 P-47 Given their age

Given their age

published in 1945 by the aircraft engineering and manufacturing firm Grumman

and aircraft systems

the nomenclature on its face ("Elevate" and "Depress") as well as the range on the degrees scale (10 to 0 to 65deg) doesn't seem to support that identification

and frees the compass card when pulled out

Climate and Weather for Flight in Naval Operational Zones, 1944, NAVAER 00-8OU-20 P-47 Given their ageThis WWII era authentic training manual was used to instruct US Navy aviation cadets who had completed courses in aerology and flight planning. The manual familiarized the cadet with the climate in all zones around the world in which the US Navy was operating, weather patterns, and what conditions they might encounter when conducting flight operations in each. This 200 page manual was published in 1944. 8 inches by 10. 5 inches. In good condition.