The Artesian Wells of the James River Valley, Dakota - p207

L. F. Korns

doi:10.1038/scientificamerican04061889-207

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Electric Subway Explosions - pp208 - 209

doi:10.1038/scientificamerican04061889-208

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An Improved Vehicle Brake - p210

doi:10.1038/scientificamerican04061889-210

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An Improved Fertilizer Distributer - p210

doi:10.1038/scientificamerican04061889-210a

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An Improved Draught Equalizer - p210

doi:10.1038/scientificamerican04061889-210b

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An Improved Snow Shovel and Scraper - p210

doi:10.1038/scientificamerican04061889-210c

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An Improved Foot Board for Wood Choppers - p210

doi:10.1038/scientificamerican04061889-210d

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Chaplin Try and Center Square - p211

doi:10.1038/scientificamerican04061889-211

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An Improved Book Carriage - p211

doi:10.1038/scientificamerican04061889-211a

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An Improved Device for Poaching Eggs - p211

doi:10.1038/scientificamerican04061889-211b

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Ostrich Farming in California - pp211 - 212

doi:10.1038/scientificamerican04061889-211c

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Photographic Notes - p212

doi:10.1038/scientificamerican04061889-212

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John H. B. Latrobe - pp214 - 215

doi:10.1038/scientificamerican04061889-214

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An Improved Drainage-Trap - p215

doi:10.1038/scientificamerican04061889-215

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An Improved Inkstand - p215

doi:10.1038/scientificamerican04061889-215a

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An Improved Seal-Press - pp215 - 217

doi:10.1038/scientificamerican04061889-215b

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Some Experiments in Sound - p217

Geo. M. Hopkins

doi:10.1038/scientificamerican04061889-217

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To Inventors - p219

doi:10.1038/scientificamerican04061889-219

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