Jacob's System of Wheel Manufacture - pp1 - 3

doi:10.1038/scientificamerican01021865-1

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Turning Tools - p3

doi:10.1038/scientificamerican01021865-3

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Expansion of Steam - pp3 - 4

doi:10.1038/scientificamerican01021865-3a

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Seasoning of Lumber and Timber - p4

doi:10.1038/scientificamerican01021865-4

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Recent American Patents - pp5 - 6

doi:10.1038/scientificamerican01021865-5

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The Ruhmkorff Coil - p6

doi:10.1038/scientificamerican01021865-6

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Squire's Fruit Jar - p6

doi:10.1038/scientificamerican01021865-6a

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Notice to Subscribers - p6

doi:10.1038/scientificamerican01021865-6b

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What Can be Done for Inventors—Advice Gratis and Advice for Pay - p7

doi:10.1038/scientificamerican01021865-7

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Professor Rankine on Expansion - p7

doi:10.1038/scientificamerican01021865-7a

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Retrospective - pp7 - 8

doi:10.1038/scientificamerican01021865-7b

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Oil Stock Excitement - p8

doi:10.1038/scientificamerican01021865-8

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Prof. Doremus's Lectures - p8

doi:10.1038/scientificamerican01021865-8a

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Patent Claims - pp8 - 11

doi:10.1038/scientificamerican01021865-8b

Porter's Sifter Shovel - p14

doi:10.1038/scientificamerican01021865-14

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