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A biography of Eli Whitney tracing his long legal journey to win rights over his pirated cotton gin and to fulfill his government contract for ten thousand muskets with interchangeable parts.... अधिक

"Nat” was an eighteenth-century nautical wonder and mathematical wizard. <P><P> Nathaniel Bowditch grew up in a sailor’s world—Salem in the early days, when tall-masted ships from foreign ports crowded the wharves. But Nat didn’t promise to have the makings of a sailor; he was too physically smal... अधिक