Spiegelfernrohr um 1770
Stamp: "Spiegelfernrohr um 1770"
| Printed value | 50+25 Pfennige  |
Motif, Topic | Inventions |
| Circulation | 6.283.000 | Valid until | June, 30 - 2002 |
| Published | April, 10 - 1981 | Design | Heinz Schillinger |
From the series: "Für die Jugend, Historische Optische Instrumente"
Tags: spiegelfernrohr