Remarkable Boat Speed-32 1/2 Miles Per Hour - p178

doi:10.1038/scientificamerican03241894-178

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The Imperfections of the Overhead Trolley System - pp178 - 180

doi:10.1038/scientificamerican03241894-178a

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To Set Fire to a Pile of Snow - p180

doi:10.1038/scientificamerican03241894-180

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New Pier for the American Line - p180

doi:10.1038/scientificamerican03241894-180a

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A Mirror Attachment for Bicycles - p180

doi:10.1038/scientificamerican03241894-180b

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The Tachocycle - p181

doi:10.1038/scientificamerican03241894-181

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Hints on Coloring Lantern Slides - pp181 - 182

M. Hopkins

doi:10.1038/scientificamerican03241894-181a

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The Waddell-Entz Storage Battery Car Traction Plant of the Second Avenue Railroad Company, New York - p184

doi:10.1038/scientificamerican03241894-184

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Handling Steel Billets by Electrical Power - pp185 - 187

doi:10.1038/scientificamerican03241894-185

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Bicycle Boat - p187

doi:10.1038/scientificamerican03241894-187

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Trick Photography - p187

doi:10.1038/scientificamerican03241894-187a

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To Inventors - p189

doi:10.1038/scientificamerican03241894-189b

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