The bombsight war: Norden vs. Sperry

A retrospective is provided of the invention of two major bombsights during World War II: the well-known Norden bombsight and the less famous but superior Sperry bombsight. The author describes their invention and compares the two. He explains why the Norden became so famous during World War II that it was even featured in popular movies while the Sperry was comparatively little known in spite of its advantages.<
>