Book - Aerial navigation, Charts of the Atmosphere for Aeronauts and Aviators Publication type non-fiction Summary Collection of atmospheric charts, circa 1911 Keywords relative heights/atmospheric density & temperature, average temperature/barometric pressure/wind velocity & pressure up to 30000 feet, wind pressures for constant velocities up to 10000 &30000 feet, various other charts for blue hill, various other charts for wind velocities & frequencies