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Top 100 Famous Inventions and Greatest Ideas of All Time
came up with the idea of attaching it externally to a boat until Ole Evinrude came up with his two-stroke boat motor. His motor was not the first “outboard” type but the first to be widely adopted. Gustave
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Top 101 Black Inventors & African American's Best Invention Ideas that Changed The World
held the rag attached to a lever, allowing the user to wring the water out of the mop after several strokes. Although manual labor was still required, the invention made the job easier and more dignified.
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Blog Post
100 Famous Inventors and Their Best Invention Ideas
successful models afterward, eventually leading to a significant breakthrough with a 25-horsepower four-stroke single-cylinder engine. It was called the diesel engine and an immediate commercial success, earning