The Speed Trials of the “Arrow” - p182

doi:10.1038/scientificamerican09201902-182

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The Irrigation of the Nile Valley - p182

doi:10.1038/scientificamerican09201902-182a

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Soft Coal for Domestic Use - p182

doi:10.1038/scientificamerican09201902-182b

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Distribution of Industries - pp182 - 183

doi:10.1038/scientificamerican09201902-182c

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“All the World's Fighting Ships” - p183

doi:10.1038/scientificamerican09201902-183

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International Mining Congress—Butte Meeting - p183

doi:10.1038/scientificamerican09201902-183a

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Excavations at Corinth - p184

Paul Elsner Athens

doi:10.1038/scientificamerican09201902-184

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The Semi-Automatic Piano-Player - pp185 - 186

doi:10.1038/scientificamerican09201902-185

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An Improved Drying Oven - p186

Edmund S. Smith

doi:10.1038/scientificamerican09201902-186

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The Steam Yacht “Arrow”—The Fastest Boat in the World - pp188 - 189

doi:10.1038/scientificamerican09201902-188

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The Nile Irrigation Works - pp189 - 191

doi:10.1038/scientificamerican09201902-189

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Universal Workholder - p191

doi:10.1038/scientificamerican09201902-191

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An Improved Knife - p191

doi:10.1038/scientificamerican09201902-191a

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A Stall for Horses or Cattle - p191

doi:10.1038/scientificamerican09201902-191b

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A New Type of Water Cooler - p191

doi:10.1038/scientificamerican09201902-191c

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Business and Personal Wants - p192

doi:10.1038/scientificamerican09201902-192a

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