This view of the Blohm und Voss Bv 139 shows the inverted gull wings, but doesn't give a good idea of the scale of the large aircraft.
This image is taken from US FM 30-35 Indentification of German Aircraft of 11 March 1942.
How to cite this article:
Rickard, J (16 June 2018), Blohm und Voss BV 139 left view , http://www.historyofwar.org/Pictures/pictures_blohm_voss_BV_139_left.html
