Ship Ventilator, Fog Alarm, and Bilge Pump, Celestial Engineering - pp15 - 16

doi:10.1038/scientificamerican01061872-15

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On the Colors of Metals - p16

doi:10.1038/scientificamerican01061872-16

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Keith's Improvement in Nickel Plating - p16

doi:10.1038/scientificamerican01061872-16a

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Hydraulic Cements—Their Adaptability for Useful and Ornamental Purposes - p17

doi:10.1038/scientificamerican01061872-17

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The Philosophical Institution and Library, Bristol, England - pp18 - 19

doi:10.1038/scientificamerican01061872-18

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Latent Heat of Dissociation - p21

P. H. Vander Weyde

doi:10.1038/scientificamerican01061872-21

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Society of Arts of the Massachusetts Institute of Technology - pp21 - 22

doi:10.1038/scientificamerican01061872-21a

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Steam Towage on Canals - p22

doi:10.1038/scientificamerican01061872-22

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Bartholomew's Self-Adjusting Suspender - p22

doi:10.1038/scientificamerican01061872-22a

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Six Months of Engineering Progress - p23

doi:10.1038/scientificamerican01061872-23

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Proposed Atlantic and Great Western Canal - p23

doi:10.1038/scientificamerican01061872-23a

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Artificial Stone - p23

doi:10.1038/scientificamerican01061872-23b

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Granite and Asphalte Roadways - p24

doi:10.1038/scientificamerican01061872-24

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Mr. Justice Grove, F. R. S - p24

doi:10.1038/scientificamerican01061872-24a

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The First Locomotives in America - pp24 - 25

doi:10.1038/scientificamerican01061872-24b

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Mr. Grove on Patent Law - p25

doi:10.1038/scientificamerican01061872-25

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Scientific Intelligence - pp25 - 26

doi:10.1038/scientificamerican01061872-25a

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Applications for Extension of Patents - p26

doi:10.1038/scientificamerican01061872-26

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Answers to Correspondents - p27

doi:10.1038/scientificamerican01061872-27

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Recent American and Foreign Patents - p27

doi:10.1038/scientificamerican01061872-27b

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To City Subscribers - p27

doi:10.1038/scientificamerican01061872-27c

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Official List of Patents - p28

doi:10.1038/scientificamerican01061872-28

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