The Lead Bath - pp48 - 49

doi:10.1038/scientificamerican07251885-48

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Lippmann's Apparatus for Electric Measurements - p50

doi:10.1038/scientificamerican07251885-50

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Improved Liming Vat - p50

doi:10.1038/scientificamerican07251885-50a

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Improved Rail Chair - p51

doi:10.1038/scientificamerican07251885-51

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Improved Boiler Cleanser - p51

doi:10.1038/scientificamerican07251885-51a

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Improved Lubricator - pp51 - 52

doi:10.1038/scientificamerican07251885-51b

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Rein Holder - p52

doi:10.1038/scientificamerican07251885-52

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Final Operations for the Removal of Flood Rock - pp53 - 54

doi:10.1038/scientificamerican07251885-53

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The Microscope in the Mechanic Arts - p54

M. Hopkins

doi:10.1038/scientificamerican07251885-54

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A Portable Covered Hammock - p55

doi:10.1038/scientificamerican07251885-55

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Baudre's Silex Piano - pp55 - 56

doi:10.1038/scientificamerican07251885-55a

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The Iguana and How it is Caught - p57

Daniel C. Ebard

doi:10.1038/scientificamerican07251885-57

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Engineering Inventions - p58

doi:10.1038/scientificamerican07251885-58

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Agricultural Inventions - p58

doi:10.1038/scientificamerican07251885-58a

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Miscellaneous Inventions - p58

doi:10.1038/scientificamerican07251885-58b

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