The Great Gas Meter of the Consolidated Gas Company of New York - p351

doi:10.1038/scientificamerican12041886-351

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The Navy's Needs - p352

doi:10.1038/scientificamerican12041886-352

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Incidents in Bird Life at the Park - pp352 - 353

doi:10.1038/scientificamerican12041886-352a

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The Submarine Monitor Peacemaker - p354

doi:10.1038/scientificamerican12041886-354

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Skeg Attachment for Vessels - p355

doi:10.1038/scientificamerican12041886-355

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Improved Grain Conveyer - p355

doi:10.1038/scientificamerican12041886-355a

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Safety Fastening for Lace Pins, Etc. - p355

doi:10.1038/scientificamerican12041886-355b

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Sandpapering and Polishing Machine - p355

doi:10.1038/scientificamerican12041886-355c

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The Capillary Siphon—Hero's Engine - p356

T. O'conor Sloane, Ph.D

doi:10.1038/scientificamerican12041886-356

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Decisions Relating to Patents - p357

doi:10.1038/scientificamerican12041886-357a

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Deprez's Galvanometer - pp358 - 359

M. Hopkins

doi:10.1038/scientificamerican12041886-358

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The New Spanish War Steamer Reina Regente - p359

doi:10.1038/scientificamerican12041886-359

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Some Ancient Inventions - p360

doi:10.1038/scientificamerican12041886-360

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Expulsion of Unburned Gunpowder from Cannons - p361

doi:10.1038/scientificamerican12041886-361

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Engineering Inventions - p362

doi:10.1038/scientificamerican12041886-362

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Mechanical Invention - p362

doi:10.1038/scientificamerican12041886-362a

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Agricultural Inventions - p362

doi:10.1038/scientificamerican12041886-362b

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Miscellaneous Inventions - p362

doi:10.1038/scientificamerican12041886-362c

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