Shall the Government Engage in Commercial Enterprises? - p34

doi:10.1038/scientificamerican01211899-34

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The Diamond Reef Shoal in New York Harbor - p34

doi:10.1038/scientificamerican01211899-34a

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A Greatly Needed Amendment to the Patent Laws - p34

doi:10.1038/scientificamerican01211899-34b

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The Diseases of Nations - pp34 - 35

doi:10.1038/scientificamerican01211899-34c

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Diligence Required from the Owners of Trade-Marks - p35

doi:10.1038/scientificamerican01211899-35

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Repairing the Lightning Rod of St. Peter's at Rome - p35

doi:10.1038/scientificamerican01211899-35a

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Edible Weeds - p35

doi:10.1038/scientificamerican01211899-35b

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The Beet Sugar Industry in New York State - p36

S. L. Sheldon

doi:10.1038/scientificamerican01211899-36

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Siege Guns at the Washington Arsenal - p37

doi:10.1038/scientificamerican01211899-37

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Robert Fulton and the Steamboat - pp37 - 38

Robert H. Thurston

doi:10.1038/scientificamerican01211899-37a

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The Royal Palms of Cuba - pp40 - 41

doi:10.1038/scientificamerican01211899-40

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Air Ship Experiments - pp41 - 43

doi:10.1038/scientificamerican01211899-41

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Simplified Apparatus for Spectroscopic Photography - p43

John Hellyer White

doi:10.1038/scientificamerican01211899-43

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Some Curious Automata - p43

doi:10.1038/scientificamerican01211899-43a

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To Inventors - p45

doi:10.1038/scientificamerican01211899-45b

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