Cover image for Gnomonic projection, polar-equatorial.
Gnomonic projection, polar-equatorial.
Title:
Gnomonic projection, polar-equatorial.
Author:
U.S. Coast and Geodetic Survey.
Publication Information:
Washington : Coast and Geodetic Survey, [between 1940-1949?]
Physical Description:
1 diagram ; 49 x 49 cm.
Language:
English