Important Change of Panama Canal Locks - p22

doi:10.1038/scientificamerican01111908-22

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Our Decadent Merchant Marine - p22

doi:10.1038/scientificamerican01111908-22a

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Prevention of “Flarebacks” in Modern Guns - p22

doi:10.1038/scientificamerican01111908-22b

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Warship Construction at our Navy Yards - pp22 - 23

doi:10.1038/scientificamerican01111908-22c

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A New Coin Counter - p23

doi:10.1038/scientificamerican01111908-23

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The Economic Waste of Accidents - p23

doi:10.1038/scientificamerican01111908-23a

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Habits of the Tarantula - p23

C. E. Hutchinson

doi:10.1038/scientificamerican01111908-23b

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Official Meteorological Summary, New York, N. Y., December, 1907 - p23

doi:10.1038/scientificamerican01111908-23c

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The Current Supplement - p23

doi:10.1038/scientificamerican01111908-23d

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Winter Fires - p24

Day Allen Willey

doi:10.1038/scientificamerican01111908-24

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An Apparatus for Indicating Fire Damp in Coal Mines - pp25 - 26

doi:10.1038/scientificamerican01111908-25

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A Railroad in Miniature—A Toy Line which Cost $50,000 - pp28 - 29

W. G. Fitz-Gerald

doi:10.1038/scientificamerican01111908-28

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The Most Wonderful Railroad of the North - pp29 - 30

Katherine Louise Smith

doi:10.1038/scientificamerican01111908-29

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Tissot's Respiratory Apparatus - pp30 - 31

Jacques Boyer

doi:10.1038/scientificamerican01111908-30

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Great Storms on the Sun - p31

S. A. Mitchell, Dr.

doi:10.1038/scientificamerican01111908-31

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