Maintenance card Luftwaffe Me323 Gnome-Rhone 1942

Maintenance card (booklet), Motoren-Karte. December 1942. Luftwaffe D.(Luft) T.3914N. For the airplane engine Gnome-Rhone 14N as used (6x) on the Messerschmitt Me 323 “Gigant”. Made of some kind of plastified paper so it could be used by (board-) mechanics. Size 10x15cm, folded out length appr. 62cm. Very rare.