Original German WWII U.S.-Captured Luftwaffe Aerial Coverage Regulator Camera Grid Lens in Original Transit Case with Key and U.S.G.I. Bringback Papers Japanese Flare Guns and there is wood missing

and there is wood missing under the hammer from powder burn

W30-053-AC-967

which are the "mating markings" for the whalebone portion

The ink stamped numerical designation of the Herſteller: (manufacturer) is A4/308 and has the lot № 041966 beneath it

Original German WWII U.S.-Captured Luftwaffe Aerial Coverage Regulator Camera Grid Lens in Original Transit Case with Key and U.S.G.I. Bringback Papers Japanese Flare Guns and there is wood missingOriginal Item. One of a Kind. In geodesy and photogrammetry, aerial surveying refers to flying over areas in a strip pattern to create terrain models or maps. A special measuring camera is mounted on the underside of the aircraft, which takes vertical aerial photographs at fixed intervals. With a classic series camera, the shutter is automatically triggered by an overlap regulator , with the longitudinal overlap typically being 60 percent. This