Protection from Lightning - p272

doi:10.1038/scientificamerican11011879-272

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Freezing in Fire - p272

doi:10.1038/scientificamerican11011879-272a

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Effects of Heat in the Comstock Mines - pp272 - 273

doi:10.1038/scientificamerican11011879-272b

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Pushing an Iron Bridge Across a River - p273

doi:10.1038/scientificamerican11011879-273

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The Elevated Railway Extension.—Details of Construction - p273

doi:10.1038/scientificamerican11011879-273a

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American Industries.—No. 21 - pp273 - 274

doi:10.1038/scientificamerican11011879-273b

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The Blake Transmitter - p274

doi:10.1038/scientificamerican11011879-274

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Modification of the Reynier and Werdermann Electric Lamp - p274

Geo. M. Hopkins

doi:10.1038/scientificamerican11011879-274a

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Mechanical Inventions - p274

doi:10.1038/scientificamerican11011879-274b

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A New Fish Way - p275

doi:10.1038/scientificamerican11011879-275

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Miscellaneous Inventions - pp275 - 276

doi:10.1038/scientificamerican11011879-275a

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Recent Decisions Relating to Patents, Trade Marks, Etc - p277

Judge Wheeler

doi:10.1038/scientificamerican11011879-277

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New Motor and Meter - p278

doi:10.1038/scientificamerican11011879-278

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Engineering Inventions - p278

doi:10.1038/scientificamerican11011879-278a

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A New Wrench - p278

doi:10.1038/scientificamerican11011879-278b

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The Great Sea Cow of Florida - pp279 - 280

Daniel C. Beard

doi:10.1038/scientificamerican11011879-279

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Arrow Poisons - p280

doi:10.1038/scientificamerican11011879-280

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Arabesque Cabinet - pp281 - 282

doi:10.1038/scientificamerican11011879-281

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Communications Received - p284

doi:10.1038/scientificamerican11011879-284

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