Frančula XIII
| Frančula XIII | |
|---|---|
| Creator | Nedjeljko Frančula (1971) | 
| Group | Lenticular | 
| Property | Compromise | 
| Other Names | — | 
| Remarks | A Wanger IX variant, derived by Umbeziffern from the equatorial azimuthal equidistant projection, minimized distortion by application of the Airy-Kavrayskiy criterion. For more information, refer to my blogpost The Frančula Projections or Frančula’s original paper Die vorteilhaftesten Abbildungen in der Atlaskartographie (German). | 
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