The Bristol Blenheim was one of the most popular British aircraft at the beginning of World War II. It was a very versatile and modifiable machine, and therefore typical bomber, reconnaissance, and fighter (including night) versions were created.
The first mass-produced version was the Mk I, which featured a richly glazed nose part of the fuselage. The most common version in the air force of several countries was the Mk IV, in which the glass...