The St. Mary's Falls Canal - p383

doi:10.1038/scientificamerican12191885-383

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Revival of the Nicaragua Canal Project - p384

doi:10.1038/scientificamerican12191885-384

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The Power Required to Operate the Ship Railway - p385

doi:10.1038/scientificamerican12191885-385

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Photographic Notes - p385

doi:10.1038/scientificamerican12191885-385a

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Pruning and House Shears - p388

doi:10.1038/scientificamerican12191885-388

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Improved Fish Hook - p388

doi:10.1038/scientificamerican12191885-388a

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Luscher's Ice Machine - p388

doi:10.1038/scientificamerican12191885-388b

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Tobacco Pipe - p388

doi:10.1038/scientificamerican12191885-388c

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Paper Bag Holder - p388

doi:10.1038/scientificamerican12191885-388d

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Button Fastener - p388

doi:10.1038/scientificamerican12191885-388e

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Improved Sand Blast Machine - p390

doi:10.1038/scientificamerican12191885-390

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The Cycloidotrope - p390

M. Hopkins

doi:10.1038/scientificamerican12191885-390a

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M. Pasteur's American Patients - pp391 - 393

doi:10.1038/scientificamerican12191885-391

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Blake's “Improved 1884” Pipe Hanger - p393

doi:10.1038/scientificamerican12191885-393

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Engineering Inventions - p394

doi:10.1038/scientificamerican12191885-394

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Agricultural Inventions - p394

doi:10.1038/scientificamerican12191885-394a

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Miscellaneous Inventions - p394

doi:10.1038/scientificamerican12191885-394b

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Special - p394

doi:10.1038/scientificamerican12191885-394c

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