Micdrow and Genkideskan, thank you for such wonderful pictures and, of course, the detailed drawing of the Avro Lancaster turrets and the weaponry. Fed on mostly a diet of Commando Comics with a few detailed drawings on the insides of the front and back pages, I always had a desire to see more...
Sorry folks, I am a bit late in responding to your prompt replies. With very vivid details too, I might add. Many thanks to Micdrow, Graeme and Steven Que.
Thanks too, to Stitch, for an insight as to how a gun would have fired through the propellor hub. However, without a picture or a drawing...