New York Electrical Subways - p64

doi:10.1038/scientificamerican07311886-64

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Ship Transit Across the Isthmus - p64

doi:10.1038/scientificamerican07311886-64a

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Baseball - pp64 - 65

doi:10.1038/scientificamerican07311886-64b

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Discharge Pipe for Vaults - p66

doi:10.1038/scientificamerican07311886-66

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Check Row Corn Planter - p66

doi:10.1038/scientificamerican07311886-66a

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Watchcase Spring - p66

doi:10.1038/scientificamerican07311886-66b

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Measuring Wheel - p66

doi:10.1038/scientificamerican07311886-66c

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Drawer Check and Support - p66

doi:10.1038/scientificamerican07311886-66d

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Clip Coupling for Vehicles - p67

doi:10.1038/scientificamerican07311886-67

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Fence Wire Tightener - p67

doi:10.1038/scientificamerican07311886-67a

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Lamp Filling Attachment for Oil Cans - p67

doi:10.1038/scientificamerican07311886-67b

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Improved Quilting Frame - pp67 - 68

doi:10.1038/scientificamerican07311886-67c

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Fireworks with Dramatic Accessories - p69

doi:10.1038/scientificamerican07311886-69

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Polarized Light - p70

Geo. M. Hopkins

doi:10.1038/scientificamerican07311886-70

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The Art of Pitching in Baseball - pp71 - 72

Henry Chadwick

doi:10.1038/scientificamerican07311886-71

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Photographic Notes - p73

doi:10.1038/scientificamerican07311886-73

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Driving Apparatus - p73

doi:10.1038/scientificamerican07311886-73a

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Hornbills - p73

doi:10.1038/scientificamerican07311886-73b

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Engineering Inventions - p74

doi:10.1038/scientificamerican07311886-74

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Miscellaneous Inventions - p74

doi:10.1038/scientificamerican07311886-74a

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To Inventors - p75

doi:10.1038/scientificamerican07311886-75b

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