Hammond's air age map of the world a polar projection. - C. S. Hammond & Company (New York : C.S. Hammond & Co., 1953)
Insets: Western hemisphere -- Eastern hemisphere.
Map of the world showing the airways over the Arctic Circle and other global air-routes with distances. Also shows relative local time at 15°intervals.
"Naval bases and stations, air distances."
"Photographs and accompanying data, courtesy Aero-Digest, N.Y.C."
At foot of map: The phenomenal development of aircraft since 1903.
Includes text, ill. and chart 'Scale in statute miles along parallels between 15 degrees of longitude'.
Also available online
Keywords: Airways -- Maps; World maps