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July 1, 1868, Volume 19 No 1 pp1-15

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Contents

Business and Personal

Business and Personal p7

doi:10.1038/scientificamerican07011868-7b

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Correspondence

Correspondence p10

doi:10.1038/scientificamerican07011868-10

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Patent Notes

Patents pp14 - 15

doi:10.1038/scientificamerican07011868-14

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Articles

Improvement in Steering Apparatus for Vessels, Improved Burglar-proof Safe, and more pp1 - 2

doi:10.1038/scientificamerican07011868-1

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Vegetable Coloring Matter p2

doi:10.1038/scientificamerican07011868-2

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Cutlery—United States Industry pp2 - 3

doi:10.1038/scientificamerican07011868-2a

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Cast-Iron Working in Scotland p3

doi:10.1038/scientificamerican07011868-3

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A New Jersey Fish Farm pp4 - 5

doi:10.1038/scientificamerican07011868-4

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Herring's Center Vent Water Wheel p5

doi:10.1038/scientificamerican07011868-5

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Fell's Railway over Mont Cenis pp5 - 6

doi:10.1038/scientificamerican07011868-5a

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Editorial Summary p6

doi:10.1038/scientificamerican07011868-6

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Manufacturing, Mining, and Railroad Items p6

doi:10.1038/scientificamerican07011868-6a

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Recent American and Foreign Patents pp6 - 7

doi:10.1038/scientificamerican07011868-6b

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Answers to Correspondents p7

doi:10.1038/scientificamerican07011868-7

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Extension Notices p7

doi:10.1038/scientificamerican07011868-7a

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New Publications pp7 - 8

doi:10.1038/scientificamerican07011868-7c

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The Progress of Mechanical Invention p8

doi:10.1038/scientificamerican07011868-8

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Betting against the Weather p8

doi:10.1038/scientificamerican07011868-8a

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Savery's Improved Expanding Pulley p8

doi:10.1038/scientificamerican07011868-8b

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Balancing of Machinery—The Centrifugal Hydro-Extractor p9

doi:10.1038/scientificamerican07011868-9

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Mind Your Business p9

doi:10.1038/scientificamerican07011868-9a

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Reform in the British Patent System p9

doi:10.1038/scientificamerican07011868-9b

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The Hoosac Tunnel—Drilling by Machinery p9

doi:10.1038/scientificamerican07011868-9c

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Supply of Cold Air to Furnaces Employed for Warming Buildings pp9 - 10

doi:10.1038/scientificamerican07011868-9d

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Patents and Claims pp10 - 14

doi:10.1038/scientificamerican07011868-10a

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