Germany, Kriegsmarine. A Flak Battery Targeting Scope, By Carl Zeiss Archive and not the goblet itself

and not the goblet itself

maker marked “RZM M1/90” (Apreck & Vrage

"Pilot's Notes for Dakota IV

18 mm (w) x 61

others are unnamed

Germany, Kriegsmarine. A Flak Battery Targeting Scope, By Carl Zeiss Archive and not the goblet itself(Kriegsmarine Zielfernrohr fr Flakbatterie). Constructed of a heavy field grey painted non magnetic metal casing, consisting of a base with a fully intact and functional outlet lens, topped by an inscription of A. Z. SCHR. E. C 6 for Abnehmbares Zielfernrohr schrgem Einblick C 6, serial numbers, and a manufacturers code of rln for Carl Zeiss, Jena, soldered with a rounded plate featuring a similarly fully intact and functional input lens with clearly