Our Prize Essay Competition - p338

doi:10.1038/scientificamerican05301896-338

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The Invention of the Bessemer Process - p338

doi:10.1038/scientificamerican05301896-338a

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Molecular Annealing - pp338 - 339

doi:10.1038/scientificamerican05301896-338b

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A Dutch Tilbury - p340

doi:10.1038/scientificamerican05301896-340

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Olympian Trophies - p340

doi:10.1038/scientificamerican05301896-340a

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The Wethey Parallel Calcining Furnace - p341

doi:10.1038/scientificamerican05301896-341

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An Improved Sailing Vessel - p341

doi:10.1038/scientificamerican05301896-341a

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A Rim Clamp for Wheels - pp341 - 342

doi:10.1038/scientificamerican05301896-341b

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The Thief and Detective Puzzle - p342

doi:10.1038/scientificamerican05301896-342

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Improvements in Crookes Tubes - p342

C. C. Hutchins, By and F. C. Robinson, By

doi:10.1038/scientificamerican05301896-342a

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The Manufacture of Guns at the Washington Navy Yard - p343

doi:10.1038/scientificamerican05301896-343

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Edward Jenner, M.D., and the Vaccination Centennial - p344

Joseph H. Hunt, M.D.

doi:10.1038/scientificamerican05301896-344

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Testing Motocycles - p345

doi:10.1038/scientificamerican05301896-345

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The Proposed Sixteen Inch Gun for Coast Defense - p346

doi:10.1038/scientificamerican05301896-346

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Hailstones of Great Size - p347

doi:10.1038/scientificamerican05301896-347

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To Inventors - p349

doi:10.1038/scientificamerican05301896-349

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