A New Optical Lantern - p33

doi:10.1038/scientificamerican01201894-33

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The Potentialities of Chemical Research - pp34 - 35

doi:10.1038/scientificamerican01201894-34

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An Improved Building Tile - p36

doi:10.1038/scientificamerican01201894-36

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Special Triple Geared Lathe - p36

doi:10.1038/scientificamerican01201894-36a

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An Improved Bicycle Driving Gear - p36

doi:10.1038/scientificamerican01201894-36b

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An Improved Fire Ladder - p37

doi:10.1038/scientificamerican01201894-37

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An Automatically Operating Valve Gear - p37

doi:10.1038/scientificamerican01201894-37a

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An Improved Exhibiting Apparatus - p37

doi:10.1038/scientificamerican01201894-37b

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Improvement in Vessels' Hulls - pp37 - 38

doi:10.1038/scientificamerican01201894-37c

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In Ocean Depths - p38

doi:10.1038/scientificamerican01201894-38

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Venomous Spiders - p39

Nicolas Pike

doi:10.1038/scientificamerican01201894-39

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Family Knitting Machines - p40

doi:10.1038/scientificamerican01201894-40

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Improved Automatic Signal Apparatus - pp41 - 42

doi:10.1038/scientificamerican01201894-41

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Pine Cones, or Cocoons? - p43

doi:10.1038/scientificamerican01201894-43

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A Cable Grip for Coal Cars or Mine Wagons - p43

doi:10.1038/scientificamerican01201894-43a

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To Inventors - p45

doi:10.1038/scientificamerican01201894-45b

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