Circular printed planisphere sandwiched between a rotating template and back strap. White stars printed on a dark blue field. Polar equidistant projection. Geocentric view. Non-Ptolemaic constellations.
Material
"Hermann Gewecke/Karte des Sternhimmels" and "D. R. G. M./Verlag von Dietrich Reimer (Ernst Vohsen) in Berlin SW 48".
