Point Bridge, Pittsburg, Pa - pp159 - 160

doi:10.1038/scientificamerican09111880-159

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A Novel Projectile - p160

doi:10.1038/scientificamerican09111880-160

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Striking Figures About Cotton - p160

doi:10.1038/scientificamerican09111880-160a

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A Curious Physical Phenomenon - p160

doi:10.1038/scientificamerican09111880-160b

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Do Patents Pay! - pp160 - 161

doi:10.1038/scientificamerican09111880-160c

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The Concord School of Philosophy - p161

doi:10.1038/scientificamerican09111880-161

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Tin in Maine - p161

doi:10.1038/scientificamerican09111880-161a

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The American Science Association - p161

doi:10.1038/scientificamerican09111880-161b

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Mining Debris in California - pp161 - 162

doi:10.1038/scientificamerican09111880-161c

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Self-Adjusting Watch Key - p162

doi:10.1038/scientificamerican09111880-162

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A Novel Binder - p162

doi:10.1038/scientificamerican09111880-162a

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De Locht's Pantelephone - p162

doi:10.1038/scientificamerican09111880-162b

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Experiment Illustrating Discharge of Electricity From Clouds - p163

doi:10.1038/scientificamerican09111880-163

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Submarine Observatory and Electric Light - pp163 - 164

doi:10.1038/scientificamerican09111880-163a

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The Williamsport Panel Planer - p164

doi:10.1038/scientificamerican09111880-164

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Miscellaneous Inventions - pp164 - 165

doi:10.1038/scientificamerican09111880-164a

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Agricultural Inventions - p165

doi:10.1038/scientificamerican09111880-165

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Novel Air Brake - p166

doi:10.1038/scientificamerican09111880-166

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New Line-Throwing Gun - p166

doi:10.1038/scientificamerican09111880-166a

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Mechanical Inventions - pp166 - 167

doi:10.1038/scientificamerican09111880-166b

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The Japanese and Chinese Sections of the Berlin International Fisheries Exhibition - p167

A. W. Roberts

doi:10.1038/scientificamerican09111880-167

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Providence River Oysters - pp168 - 169

doi:10.1038/scientificamerican09111880-168

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Natural History Notes - p169

doi:10.1038/scientificamerican09111880-169

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Engineering Inventions - p169

doi:10.1038/scientificamerican09111880-169a

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Decisions Relating to Patents, Trade Marks, Etc - pp170 - 171

doi:10.1038/scientificamerican09111880-170

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