Condition and Needs of the Navy - pp16 - 17

doi:10.1038/scientificamerican07131889-16

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An Improved Grindstone Tool Holder - p18

doi:10.1038/scientificamerican07131889-18

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A Chair for Use on the Sea Beach - p18

doi:10.1038/scientificamerican07131889-18a

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An Improved Sash Holder - p18

doi:10.1038/scientificamerican07131889-18b

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An Improved Draught Equalizer - p18

doi:10.1038/scientificamerican07131889-18c

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Improved Foot Best for Radiators - p18

doi:10.1038/scientificamerican07131889-18d

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The New Additions to the Navy - pp19 - 20

doi:10.1038/scientificamerican07131889-19

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Tare's Improved Wash Boiler - p20

doi:10.1038/scientificamerican07131889-20

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An Improved Oyster Pail - p20

doi:10.1038/scientificamerican07131889-20a

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Sims-Edison Torpedo - p21

doi:10.1038/scientificamerican07131889-21

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Secondary Battery - p22

Geo. M. Hopkins

doi:10.1038/scientificamerican07131889-22

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Curiously Worn Gear Wheel - p22

doi:10.1038/scientificamerican07131889-22a

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Maternal Instinct in Spiders - p23

M. L. Pike

doi:10.1038/scientificamerican07131889-23

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An Improved Steam Engine - pp23 - 24

doi:10.1038/scientificamerican07131889-23a

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Accident on The Housatonic Railroad - p25

doi:10.1038/scientificamerican07131889-25

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To Inventors - p27

doi:10.1038/scientificamerican07131889-27a

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