For years, one of the most top-secret weapons of World War II sat in a corner of Jerome Oxman's shop, past the stacks of neatly folded fatigues, the rows of olive-drab canteens and a display of combat boots.

The Norden bombsight, a gyroscopically controlled telescope and computer that allowed the U.S. Army Air Forces to zero in on Axis ground targets, was as expensive as it was sophisticated: Each device cost about $122,400 in today's dollars.

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