Test of a New Bridge by means of Elephants, at Bridgeport, Conn - p31

H. C. Hovey

doi:10.1038/scientificamerican01191889-31

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Coupling a Dynamo to a Car-Axle - p32

doi:10.1038/scientificamerican01191889-32

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Are Townsmen or Countrymen the Healthiest? - p32

doi:10.1038/scientificamerican01191889-32a

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Postal Street Cars - pp32 - 33

doi:10.1038/scientificamerican01191889-32b

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The Deep Wells of Reading, Pa - p33

doi:10.1038/scientificamerican01191889-33

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Photographic Notes - pp33 - 34

doi:10.1038/scientificamerican01191889-33a

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Improved Lifting Cage for Mines - p34

doi:10.1038/scientificamerican01191889-34

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Improved Double-Reciprocating Engine - p34

doi:10.1038/scientificamerican01191889-34a

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A Foot-Shield for Pianos, Etc - p34

doi:10.1038/scientificamerican01191889-34b

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An Improved Screw Driver - p35

doi:10.1038/scientificamerican01191889-35

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Improved Pulsatory Wool Washing Machine - p35

doi:10.1038/scientificamerican01191889-35a

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A New Screw Cutting Die - p35

doi:10.1038/scientificamerican01191889-35b

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An Improved Road Grader and Ditcher - p35

doi:10.1038/scientificamerican01191889-35c

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The Bartlett Project for a Water Supply for Lower New York - p36

doi:10.1038/scientificamerican01191889-36

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An Improved Can Opener - p36

doi:10.1038/scientificamerican01191889-36a

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A Boy's Invention - p37

doi:10.1038/scientificamerican01191889-37a

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The Great Railway Bridge over the Firth of Forth - pp38 - 39

doi:10.1038/scientificamerican01191889-38

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St. Louis to be a Seaport - p39

doi:10.1038/scientificamerican01191889-39

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Experiments in Capillary Force - pp39 - 40

doi:10.1038/scientificamerican01191889-39a

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Apparatus for Compounding Rectangular Vibrations - p41

M. Hopkins

doi:10.1038/scientificamerican01191889-41

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To Inventors - p43

doi:10.1038/scientificamerican01191889-43

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