The Telephonic Central Office System - p15

doi:10.1038/scientificamerican01101880-15

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The Future of the Telephone - p16

doi:10.1038/scientificamerican01101880-16

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Progress of Artificial Illumination - pp16 - 17

doi:10.1038/scientificamerican01101880-16a

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Alexander Stuart - p17

doi:10.1038/scientificamerican01101880-17

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Exclusiveness of English Manufacturers - p17

doi:10.1038/scientificamerican01101880-17a

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The Heart as a Machine - p17

doi:10.1038/scientificamerican01101880-17b

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The Struggles of a Successful Inventor - p17

doi:10.1038/scientificamerican01101880-17c

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Low Water on Manufacturing Streams - p17

doi:10.1038/scientificamerican01101880-17d

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The Johnston Harvester Prize - pp18 - 19

doi:10.1038/scientificamerican01101880-18

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Edison's Latest Electric Light - p19

doi:10.1038/scientificamerican01101880-19

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Miscellaneous Inventions - pp19 - 20

doi:10.1038/scientificamerican01101880-19a

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A New Filter - p20

doi:10.1038/scientificamerican01101880-20

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On the Dephosphorization of Iron - p21

Maurice Keil

doi:10.1038/scientificamerican01101880-21

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Mechanical Invention - p21

doi:10.1038/scientificamerican01101880-21a

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Miasm and Fevers - pp21 - 22

doi:10.1038/scientificamerican01101880-21b

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Another Extinct Race that Never Existed - p22

doi:10.1038/scientificamerican01101880-22

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Novel Swimming Device - p22

doi:10.1038/scientificamerican01101880-22a

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Juvet's Time Globe - p22

doi:10.1038/scientificamerican01101880-22b

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Agricultural Inventions - p23

doi:10.1038/scientificamerican01101880-23

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The Basket Fish - pp23 - 24

H. C. Hovey

doi:10.1038/scientificamerican01101880-23a

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Natural History Notes - pp24 - 26

doi:10.1038/scientificamerican01101880-24

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Communications Received - p27

doi:10.1038/scientificamerican01101880-27c

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