Louis Held; biplane in the Weimarer Flughalle; 1912; Staatliche Landesbildstelle Hamburg; collection on the history of photography; silver gelatine paper; cardboard; black and white positive process; image size: height: 17.90 cm; width: 24.00 cm; inscribed: verso and on the cardboard: photographer; place; designation (biplane in the Weimarer Flughalle 1912); dimensions and inv. No. handwritten in black; stamp: verso and left on the cardboard: stamp Staatliche Landesbildstelle Hamburg; reporting photography; airplane