The Imperial Brick Machine - p287

doi:10.1038/scientificamerican11101877-287

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Arrested Development - p288

doi:10.1038/scientificamerican11101877-288

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Professor Tyndall on the Phenomena of Human Life - pp288 - 289

doi:10.1038/scientificamerican11101877-288a

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The American Railway System.—Maintenance of Way - p289

doi:10.1038/scientificamerican11101877-289

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Notes of Patent Office Decisions - p289

doi:10.1038/scientificamerican11101877-289a

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The Wooden Pavements of Chicago - p289

doi:10.1038/scientificamerican11101877-289b

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The Wren Gas Works - p290

doi:10.1038/scientificamerican11101877-290

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New Standard Grinding Mill - pp291 - 292

doi:10.1038/scientificamerican11101877-291

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The Meeting of the Academy of Sciences - p292

doi:10.1038/scientificamerican11101877-292

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Some Inventions for Husking Corn - p293

doi:10.1038/scientificamerican11101877-293

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Streit's New Bevel Flange Loose Pulleys - p294

doi:10.1038/scientificamerican11101877-294

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Johnson's Improved Boiler Plate Shears - p294

doi:10.1038/scientificamerican11101877-294a

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Improved Burglar Alarm Window Fastening - p294

doi:10.1038/scientificamerican11101877-294b

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Borden's Improved Gauge Cock - pp294 - 295

doi:10.1038/scientificamerican11101877-294c

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Archer Fishes - p295

doi:10.1038/scientificamerican11101877-295

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The Red and the Two-Lined Salamander - pp295 - 297

C. Few Seiss

doi:10.1038/scientificamerican11101877-295a

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Recent American and Foreign patents - p297

doi:10.1038/scientificamerican11101877-297

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New Mechanical and Engineering Inventions - p297

doi:10.1038/scientificamerican11101877-297a

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New Miscellaneous Inventions - pp297 - 298

doi:10.1038/scientificamerican11101877-297b

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New Agricultural Inventions - p298

doi:10.1038/scientificamerican11101877-298

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New Woodworking and House and Carriage Building Inventions - p298

doi:10.1038/scientificamerican11101877-298a

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New Household Inventions - p298

doi:10.1038/scientificamerican11101877-298b

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Communications Received - p300

doi:10.1038/scientificamerican11101877-300

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