Increase in our Artillery Urgently Needed - p306

doi:10.1038/scientificamerican11131897-306

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Report of the Interstate Commerce Commission - pp306 - 307

doi:10.1038/scientificamerican11131897-306a

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The Seventh International Geological Congress—The Caucasus Excursion - p307

E. O. Hovey, Ph.D.

doi:10.1038/scientificamerican11131897-307

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An Improved Drill - p308

doi:10.1038/scientificamerican11131897-308

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An Acetylene Gas Lamp for Bicycles - p308

doi:10.1038/scientificamerican11131897-308a

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An Adjustable Fire Box Partition - p308

doi:10.1038/scientificamerican11131897-308b

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The Sliding Embankments of the Hudson River Shore Lines - pp309 - 310

Abchibald A. Schenck, Mem. A.S.C.E.

doi:10.1038/scientificamerican11131897-309

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The Latest Roller Boat - pp310 - 311

doi:10.1038/scientificamerican11131897-310

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The Steel Pipe and Tube Industry - pp312 - 313

doi:10.1038/scientificamerican11131897-312

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A Motor Lawn Mower - p314

doi:10.1038/scientificamerican11131897-314

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Archæological Discoveries in Northern Africa - p315

doi:10.1038/scientificamerican11131897-315

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To Inventors - p316

doi:10.1038/scientificamerican11131897-316d

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