Classifications
globular
Graticule
Meridians: Central meridian is straight. Other meridians are elliptical arcs equally spaced along the equator but not along other parallels.
Parallels: Straight lines, equally spaced along the central meridian.
Poles: Points.
Symmetry: Along the central meridian or the equator.
Scale
True only along the equator.
Distortion
Moderate. Undistorted along the equator.
Usage
Early maps of hemispheres.
Similar projections
Apian globular I has identical parallels, central meridian, and 90th meridians, but other meridians are equally spaced circular arcs.
Origin
Presented by Peter Apian (Petrus Apianus or Peter Bienewitz) (1495–1552) of Saxony in 1524.