Reminiscences of Daguerreotypy - p47

Geo. M. Hopkins, By

doi:10.1038/scientificamerican01221887-47

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John Roach - p48

doi:10.1038/scientificamerican01221887-48

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The Inventor's Work in Agriculture - pp48 - 49

doi:10.1038/scientificamerican01221887-48a

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Improved Metallic Printing Block - p50

doi:10.1038/scientificamerican01221887-50

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Improved Gas Engine - p50

doi:10.1038/scientificamerican01221887-50a

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Improved Door Attachment - p50

doi:10.1038/scientificamerican01221887-50b

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Improved Automatic Step Ladder - p51

doi:10.1038/scientificamerican01221887-51

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Improved Door Check - p51

doi:10.1038/scientificamerican01221887-51a

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Improved Wheel Cultivator - p51

doi:10.1038/scientificamerican01221887-51b

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Cheese Cutter - p51

doi:10.1038/scientificamerican01221887-51c

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Compressed Air Grease Cup - p51

doi:10.1038/scientificamerican01221887-51d

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Illuminated Clock - p52

doi:10.1038/scientificamerican01221887-52

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The Saint Malo Rolling Bridge - p54

doi:10.1038/scientificamerican01221887-54

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Steam Carriages - p55

doi:10.1038/scientificamerican01221887-55

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The St. Paul Ice Palace - p55

doi:10.1038/scientificamerican01221887-55a

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Sir Isaac Newton&s Steam Carriage - p55

doi:10.1038/scientificamerican01221887-55b

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Science in Toys - p56

doi:10.1038/scientificamerican01221887-56

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Improved Wire Netting Machine - pp57 - 58

doi:10.1038/scientificamerican01221887-57

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Engineering Inventions - p59

doi:10.1038/scientificamerican01221887-59

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Mechanical Inventions - p59

doi:10.1038/scientificamerican01221887-59a

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Agricultural Inventions - p59

doi:10.1038/scientificamerican01221887-59b

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Miscellaneous Inventions - p59

doi:10.1038/scientificamerican01221887-59c

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To Inventors - p59

doi:10.1038/scientificamerican01221887-59f

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