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HomeExploreTechnologyInventors Who Made Everyday Devices More PracticalLewis Waterman

Lewis Waterman

by gadget_bench
Person
Lewis Waterman
Original photographer unknown, digitized by Google Books in freely available book. Cropped, contrast enhanced and small background repair by Froggerlaura (talk). / Public domain · resizedfile
Born
The reliable fountain pen. Fountain pens had existed for decades but blotted and flooded because ink and air could not swap evenly. Waterman, a New York insurance salesman, patented a feed in 1884 with fine channels that used capillary action to let air in as ink flowed out, giving a steady line. His company made it a mass-market tool, and modern feeds still work on the same idea.
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