Stoppage of the Cleveland Water Tunnel by Ice Spicules - p80

doi:10.1038/scientificamerican02061886-80

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American Precious Stones - pp80 - 81

doi:10.1038/scientificamerican02061886-80a

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Night Sky—January and February - p81

Richard A. Proctor

doi:10.1038/scientificamerican02061886-81

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Honey Extractor - p82

doi:10.1038/scientificamerican02061886-82

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Expanding Pulley - p82

doi:10.1038/scientificamerican02061886-82a

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Spring Trap - p82

doi:10.1038/scientificamerican02061886-82b

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Strainer and Cut-Off - p82

doi:10.1038/scientificamerican02061886-82c

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Machine for Carding Buttons by Electricity - p83

doi:10.1038/scientificamerican02061886-83

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A Simple Traveling Top - pp83 - 84

doi:10.1038/scientificamerican02061886-83a

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Saucepan and Cover - p84

doi:10.1038/scientificamerican02061886-84

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Improvement in Stone and Marble Sawing Machines - p84

doi:10.1038/scientificamerican02061886-84a

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Photographic Notes - p84

doi:10.1038/scientificamerican02061886-84b

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Improved Fish Hook - p84

doi:10.1038/scientificamerican02061886-84c

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The Big Bend Tunnel in Butte County, California - p85

doi:10.1038/scientificamerican02061886-85

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Condensing Engine, Antwerp Exhibition - pp86 - 87

doi:10.1038/scientificamerican02061886-86

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Design for an Observatory Tower - p87

doi:10.1038/scientificamerican02061886-87

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A New Mass of Meteoric Iron - p89

doi:10.1038/scientificamerican02061886-89

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Engineering Inventions - p90

doi:10.1038/scientificamerican02061886-90

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Agricultural Inventions - p90

doi:10.1038/scientificamerican02061886-90a

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Miscellaneous Inventions - p90

doi:10.1038/scientificamerican02061886-90b

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