Novel Torpedo Boat Designing and Maneuvering - p32

doi:10.1038/scientificamerican07201889-32

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Pennsylvania Board of Health Notes - pp32 - 33

doi:10.1038/scientificamerican07201889-32a

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A Mechanical Movement - p34

doi:10.1038/scientificamerican07201889-34

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An Improved Washing Machine - p34

doi:10.1038/scientificamerican07201889-34a

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An Improved Annealing Box - p34

doi:10.1038/scientificamerican07201889-34b

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Barton's Improved Fence - p34

doi:10.1038/scientificamerican07201889-34c

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Gerstle's Hinged Handle for Pans, Etc - p34

doi:10.1038/scientificamerican07201889-34d

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Eberhardt's Universal Automatic Gear Cutting Machine - p35

doi:10.1038/scientificamerican07201889-35

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An Improved Magnetic Ore Separator - pp35 - 36

doi:10.1038/scientificamerican07201889-35a

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An Improves Globe Holder - p36

doi:10.1038/scientificamerican07201889-36

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The New U. S. Crusiser Baltimore - pp36 - 37

F. T. Drake, U.S.N.

doi:10.1038/scientificamerican07201889-36a

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Maria Mitchell - p38

doi:10.1038/scientificamerican07201889-38

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A Nest-Building Frog - p39

Nicolas Pike

doi:10.1038/scientificamerican07201889-39

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Imroved Bar Channeling Stone Drill - pp39 - 41

doi:10.1038/scientificamerican07201889-39a

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To Inventors - p43

doi:10.1038/scientificamerican07201889-43b

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