Bell's Photophone - p1

doi:10.1038/scientificamerican01011881-1

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Patent Royalties on Shoe Machinery - p2

doi:10.1038/scientificamerican01011881-2

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The Prall System of Heating - p2

doi:10.1038/scientificamerican01011881-2a

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The Restoration of Our Commercial and Naval Marine - pp2 - 3

doi:10.1038/scientificamerican01011881-2b

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Electro-Brass Plating - p3

doi:10.1038/scientificamerican01011881-3

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Cremation Temple - p5

doi:10.1038/scientificamerican01011881-5

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Automatic Governor for Waste Water Pipes - p5

doi:10.1038/scientificamerican01011881-5a

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Engineering Inventions - p5

doi:10.1038/scientificamerican01011881-5b

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The Growth of Large Elms - p6

doi:10.1038/scientificamerican01011881-6

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Mechanical Inventions - p6

doi:10.1038/scientificamerican01011881-6a

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Decisions Relating to Patents, Trade Marks, Etc - p7

doi:10.1038/scientificamerican01011881-7

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Agricultural Inventions - pp7 - 8

doi:10.1038/scientificamerican01011881-7a

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Novel Road Engine - p8

doi:10.1038/scientificamerican01011881-8

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Improved Hinge - p8

doi:10.1038/scientificamerican01011881-8a

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Scallops - p9

A. W. Roberts

doi:10.1038/scientificamerican01011881-9

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