Experiments with the Scientific Top - p239

M. Hopkins

doi:10.1038/scientificamerican10161886-239

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The “Fere” Monster Mortar - p240

doi:10.1038/scientificamerican10161886-240

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Photographic Notes - p241

doi:10.1038/scientificamerican10161886-241

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Instrument for Obtaining Lengths and Bevels of Rafters - p242

doi:10.1038/scientificamerican10161886-242

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Ore Concentrator - p242

doi:10.1038/scientificamerican10161886-242a

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Railway Track System - p242

doi:10.1038/scientificamerican10161886-242b

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Riveting Tool - p242

doi:10.1038/scientificamerican10161886-242c

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Improved Toboggan - p243

doi:10.1038/scientificamerican10161886-243

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Game Carrier - p243

doi:10.1038/scientificamerican10161886-243a

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Engines of the Paddle Steamer Ozone - pp243 - 244

doi:10.1038/scientificamerican10161886-243b

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A Stop Motion for Looms - pp244 - 245

doi:10.1038/scientificamerican10161886-244

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A Cheap Type Writer - pp246 - 247

doi:10.1038/scientificamerican10161886-246

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Experiments in Pneumatics with a Steam Vacuum - pp247 - 248

T. O'conor Sloane, Ph. D.

doi:10.1038/scientificamerican10161886-247

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The “Saddle Sulky” - p248

doi:10.1038/scientificamerican10161886-248

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Improved Vibrating Stethoscope - p248

doi:10.1038/scientificamerican10161886-248a

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A Balloon Trip from Cherbourg to London - pp249 - 250

doi:10.1038/scientificamerican10161886-249

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Natural History Notes - p250

doi:10.1038/scientificamerican10161886-250

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Engineering Inventions - p251

doi:10.1038/scientificamerican10161886-251

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Agricultural Invention - p251

doi:10.1038/scientificamerican10161886-251a

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Miscellaneous Inventions - p251

doi:10.1038/scientificamerican10161886-251b

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To Inventors - p251

doi:10.1038/scientificamerican10161886-251f

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