A STRUGGLE FOR WATERNineteenth-century New York City was a filthy, disease-ridden firetrap until the Croton Aqueduct brought pure, plentiful water. by Gerard Koeppel
SAWING A WOMAN IN HALFA patent has two elements: exclusivity and openness. The first made Horace Goldin’s fortune; the second lost it. by Gary R. Brown
SEAM STRESSESWhat fearsome mechanical monster inspired terror and rage in 1830s America? The humble sewing machine. by J. M. Fenster
THE DREAM OF THE FLYING WINGJack Northrop wanted to build an airplane that would be all wing, with no fuselage or tail. He came tantalizingly close, but eventually his failure broke him. by T. A. Heppenheimer
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