Zoomable full resolution image available at davidrumsey.com.
This image 11055.000 is a part of image group 11055.000.
Color map of the world. Azimuthal equidistant polar projection, tangent-North Pole. Date estimated. Shows naval base stations and air distances, relative local time at 15�� intervals. Includes notes and chart for determining "Scale in statute miles along parallels between 15 degrees of longitude."
See note field above.