Gradmann, Robert
Langhans, Paul
T 20
1:1.000.000. - E 003 00-E 008 30/N 037 30-N 036 00. - Gotha : Justus Perthes. - 1 Kt. - Lithogr. - 52 x 24 cm. - Maßstab in graph. Form (Kilometer). - Nullmeridian: Greenwich