Meeting of the British Iron and Steel Institute in New York - pp224 - 225

doi:10.1038/scientificamerican10111890-224

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The Ransome Concrete Mixer - p226

doi:10.1038/scientificamerican10111890-226

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An Experiment in Resonance - p227

Geo M. Hopkins

doi:10.1038/scientificamerican10111890-227

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A Machine to Set and File Saws - p227

doi:10.1038/scientificamerican10111890-227a

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A Vault Cover Sidewalk Openings - pp227 - 228

doi:10.1038/scientificamerican10111890-227b

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Post for Wire Fences - p228

doi:10.1038/scientificamerican10111890-228

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Sibley College Cornell University - p229

doi:10.1038/scientificamerican10111890-229

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The Pitcher Automatic Repeating Rifle - p230

doi:10.1038/scientificamerican10111890-230

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An Improved Windmill - p230

doi:10.1038/scientificamerican10111890-230a

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A Balloon Accident - pp231 - 232

doi:10.1038/scientificamerican10111890-231

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The New “Patrick” Turbine Water Wheel - p232

doi:10.1038/scientificamerican10111890-232

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Centennial of the Cotton Manufacture in America - p233

doi:10.1038/scientificamerican10111890-233

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To Inventors - p235

doi:10.1038/scientificamerican10111890-235

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