The Great Earthquake - p176

doi:10.1038/scientificamerican09181886-176

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Rare Monkeys - pp176 - 177

doi:10.1038/scientificamerican09181886-176a

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Spring Lock - p178

doi:10.1038/scientificamerican09181886-178

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Locomotive Boiler Check Valve - p178

doi:10.1038/scientificamerican09181886-178a

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Horse Collar - p178

doi:10.1038/scientificamerican09181886-178b

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Steam Engine - p178

doi:10.1038/scientificamerican09181886-178c

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Insulator for Electric Wires - p178

doi:10.1038/scientificamerican09181886-178d

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Michel Eugene Chevreul - pp179 - 180

doi:10.1038/scientificamerican09181886-179

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Stopper Fastener - p180

doi:10.1038/scientificamerican09181886-180

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Improved Shovel - p180

doi:10.1038/scientificamerican09181886-180a

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The Galatea and Mayflower - pp181 - 182

doi:10.1038/scientificamerican09181886-181a

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The Acme Automatic Safety Engine - p183

doi:10.1038/scientificamerican09181886-183

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A New Long Distance Telephone System - pp183 - 184

doi:10.1038/scientificamerican09181886-183a

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An Inexpensive Air Pump - pp185 - 186

Geo. M. Hopkins

doi:10.1038/scientificamerican09181886-185

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Engineering Inventions - p186

doi:10.1038/scientificamerican09181886-186

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Agricultural Inventions - p186

doi:10.1038/scientificamerican09181886-186a

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Miscellaneous Inventions - p186

doi:10.1038/scientificamerican09181886-186b

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To Inventors - p187

doi:10.1038/scientificamerican09181886-187a

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