The Belgian Ship Canal - p367

doi:10.1038/scientificamerican12141878-367

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Progress of Petroleum - p368

doi:10.1038/scientificamerican12141878-368

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The Limit of Work - p368

doi:10.1038/scientificamerican12141878-368a

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Iridescent Glass - p368

doi:10.1038/scientificamerican12141878-368b

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Rails and Railway accidents—New York Academy of Sciences - pp368 - 369

doi:10.1038/scientificamerican12141878-368c

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Sanitary Science in the United States - pp369 - 370

doi:10.1038/scientificamerican12141878-369

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An Improved Vise - p370

doi:10.1038/scientificamerican12141878-370

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New Shutter Fastener - p370

doi:10.1038/scientificamerican12141878-370a

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An Improved Garden Sprinkler - p370

doi:10.1038/scientificamerican12141878-370b

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A New Foot Power - p370

doi:10.1038/scientificamerican12141878-370c

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Amateur Mechanics - pp371 - 373

doi:10.1038/scientificamerican12141878-371

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The Werdermann Electric Light - p373

doi:10.1038/scientificamerican12141878-373

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Cassons Saw Bench - pp374 - 375

doi:10.1038/scientificamerican12141878-374

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The Argonaut, or Paper Nautilus - p375

doi:10.1038/scientificamerican12141878-375

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The Trap Door Spider of Jamaica - pp375 - 376

doi:10.1038/scientificamerican12141878-375a

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The Progress of Science in Mexico - p376

doi:10.1038/scientificamerican12141878-376

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Astronomical Notes - p377

Berlin H. Wright

doi:10.1038/scientificamerican12141878-377

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New Wire Clothing for Burring Cylinders - p377

doi:10.1038/scientificamerican12141878-377a

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To Inventors - p378

doi:10.1038/scientificamerican12141878-378

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