Electric Motor on the New York Elevated Railroad - p319

doi:10.1038/scientificamerican11211885-319

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The National Academy of Sciences - pp320 - 321

doi:10.1038/scientificamerican11211885-320

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Photographic Notes - p321

doi:10.1038/scientificamerican11211885-321

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Purifying and Separating Middlings - p322

doi:10.1038/scientificamerican11211885-322

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Cotton Chopper Attachment for Cultivators - p322

doi:10.1038/scientificamerican11211885-322a

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Cutting Nippers - p322

doi:10.1038/scientificamerican11211885-322b

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Revolving Cultivator - p322

doi:10.1038/scientificamerican11211885-322c

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Improved Trunk - pp322 - 323

doi:10.1038/scientificamerican11211885-322d

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Improved Car Coupler - p323

doi:10.1038/scientificamerican11211885-323

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Railroad Rail Joint - p323

doi:10.1038/scientificamerican11211885-323a

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Dumping Car - p323

doi:10.1038/scientificamerican11211885-323b

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The “Monarch” Churn - pp323 - 324

doi:10.1038/scientificamerican11211885-323c

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Microscopic Examination of Ciliated Organisms by Intermittent Light - p324

George M. Hopkins

doi:10.1038/scientificamerican11211885-324

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A New Apparatus for Measuring Electric Currents - p325

F. De Lalande

doi:10.1038/scientificamerican11211885-325a

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Opening of a Telpher Line - pp326 - 327

doi:10.1038/scientificamerican11211885-326

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Hub-Boxing Gauge - p327

doi:10.1038/scientificamerican11211885-327

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Improved Split Link - p327

doi:10.1038/scientificamerican11211885-327a

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Buttonhole Cutter - p327

doi:10.1038/scientificamerican11211885-327b

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Hair Cutting Machine - pp327 - 328

doi:10.1038/scientificamerican11211885-327c

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Captive Balloons for Army Use - pp328 - 329

doi:10.1038/scientificamerican11211885-328

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Engineering Inventions - p330

doi:10.1038/scientificamerican11211885-330

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Agricultural Inventions - p330

doi:10.1038/scientificamerican11211885-330a

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Miscellaneous Inventions - p330

doi:10.1038/scientificamerican11211885-330b

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