Search Results: Returned 2 Results, Displaying Titles 1 - 2
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c2004, Benchmark Books/M. Cavendish Call No: 633.5 156 Availability:1 of 1 At Location(s) Series Title: Great inventionsSummary Note: Explains the mechanics of the cotton gin, invented in the late eighteenth century by Eli Whitney, and describes how it enabled, tragically, the vast expansion of the American slave trade.
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c2004, Benchmark Books Call No: 686.2 Availability:1 of 1 At Location(s) Series Title: Great inventionsSummary Note: Explains the mechanics of the first printing press, invented in Germany by Gutenberg in the fifteenth century, and describes the press's revolutionary impact on the world.