The Firmenich Safety Steam Boiler - p399

doi:10.1038/scientificamerican06291878-399

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Mind, Muscle, and Machinery - p400

doi:10.1038/scientificamerican06291878-400

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A Neglected Industry - pp400 - 401

doi:10.1038/scientificamerican06291878-400a

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A Keely Seance - p401

doi:10.1038/scientificamerican06291878-401

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An Industrial Paradox - p401

doi:10.1038/scientificamerican06291878-401a

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Astronomical Notes - p402

Berlin H. Wright

doi:10.1038/scientificamerican06291878-402

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Fire Telegraphs in Germany - pp402 - 404

doi:10.1038/scientificamerican06291878-402a

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Our Iron Industry - p404

doi:10.1038/scientificamerican06291878-404

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Combination Needle and Thread Cutter - p404

doi:10.1038/scientificamerican06291878-404a

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A Simple Furnace - p404

doi:10.1038/scientificamerican06291878-404b

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Communications - pp404 - 405

doi:10.1038/scientificamerican06291878-404c

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Notes from the Paris Exhibition - pp405 - 406

doi:10.1038/scientificamerican06291878-405

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Improved Shears for Marking Stock - p406

doi:10.1038/scientificamerican06291878-406

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File Sharpening by the Sand Blast - p406

doi:10.1038/scientificamerican06291878-406a

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The Doum Palm - p407

doi:10.1038/scientificamerican06291878-407

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Official Prejudice - p407

doi:10.1038/scientificamerican06291878-407a

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Improved Yielding Hat - p407

doi:10.1038/scientificamerican06291878-407b

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Notes of Patent Law-Decisions of the Courts - pp407 - 408

doi:10.1038/scientificamerican06291878-407c

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The New Laurent Saccharometer - p408

doi:10.1038/scientificamerican06291878-408

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Patent Gear-Dressing Machine - p409

doi:10.1038/scientificamerican06291878-409

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An Improved Gang Plow - p409

doi:10.1038/scientificamerican06291878-409a

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Poisonous Leguminous Plants - p409

doi:10.1038/scientificamerican06291878-409b

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