American Industries—No. 66 - p111

doi:10.1038/scientificamerican02191881-111

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Rights of Patentees while in the Employ of the Government - p112

doi:10.1038/scientificamerican02191881-112

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Vaccination and Revaccination - pp112 - 113

doi:10.1038/scientificamerican02191881-112a

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The Petroleum Basins of Wyoming - p113

doi:10.1038/scientificamerican02191881-113

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Experiments with Underground Wires - p113

doi:10.1038/scientificamerican02191881-113a

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A Telephonic Controversy Settled - p114

doi:10.1038/scientificamerican02191881-113b

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Improved Clevis - p115

doi:10.1038/scientificamerican02191881-115

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The Huston Self-Leveling Berth - p115

doi:10.1038/scientificamerican02191881-115a

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Improved Steam Crane - p115

doi:10.1038/scientificamerican02191881-115b

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A Seat for Shop Girls - p115

doi:10.1038/scientificamerican02191881-115c

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Electro-Metallurgy - p116

doi:10.1038/scientificamerican02191881-116

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Improved Air Refrigerating Machine - p118

doi:10.1038/scientificamerican02191881-118

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American Built Steel Steamer for the River Magdalena - p119

H. L. Bridwell

doi:10.1038/scientificamerican02191881-119

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The Gecko, or Wall Lizard - pp119 - 121

doi:10.1038/scientificamerican02191881-119a

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Communications Received - p123

doi:10.1038/scientificamerican02191881-123

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