The Viaduct at the Falls of St. Anthony - pp159 - 160

H. C. Hovey

doi:10.1038/scientificamerican03151884-159

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America a Huge “Jelly Fish” - p160

doi:10.1038/scientificamerican03151884-160

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Value of Inventions to the World - p160

doi:10.1038/scientificamerican03151884-160a

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Progress in Exactness - pp160 - 161

doi:10.1038/scientificamerican03151884-160b

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Decisions Relating to Patents - p161

doi:10.1038/scientificamerican03151884-161

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Prospects of the Patent Bills - p161

doi:10.1038/scientificamerican03151884-161a

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Patents and Politics - p161

doi:10.1038/scientificamerican03151884-161b

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The Triple Thermic Motor - p161

doi:10.1038/scientificamerican03151884-161c

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Improved Knife Scourer - p162

doi:10.1038/scientificamerican03151884-162

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The Remington Horse Power Fire Engine - p162

doi:10.1038/scientificamerican03151884-162a

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Improved Lock and Latch - p162

doi:10.1038/scientificamerican03151884-162b

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The Electric Diadems of the New Ballet “La Farandole” - p163

doi:10.1038/scientificamerican03151884-163

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Dujour and Bianchi's Single Axle Windlass - pp163 - 164

doi:10.1038/scientificamerican03151884-163a

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Petroleum at Baku - pp166 - 167

doi:10.1038/scientificamerican03151884-166

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The Ornithorhynchus - pp167 - 168

L. P. Gbatacap

doi:10.1038/scientificamerican03151884-167

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Improved Rotating Sample Stand - p168

doi:10.1038/scientificamerican03151884-168

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Improved Pail - p168

doi:10.1038/scientificamerican03151884-168a

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Improved Music Leaf Turner - pp168 - 169

doi:10.1038/scientificamerican03151884-168b

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Engineering Inventions - p170

doi:10.1038/scientificamerican03151884-170

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Mechanical Inventions - p170

doi:10.1038/scientificamerican03151884-170a

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Agricultural Inventions - p170

doi:10.1038/scientificamerican03151884-170b

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Miscellaneous Inventions - p170

doi:10.1038/scientificamerican03151884-170c

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Special - p170

doi:10.1038/scientificamerican03151884-170e

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