Mr. Converse's Patent Bill - p112

doi:10.1038/scientificamerican02211880-112

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“How Steel Hardens” - pp112 - 113

doi:10.1038/scientificamerican02211880-112a

PDF (643 KB)

Approximate Economy of Gas and Electric Lighting - p113

doi:10.1038/scientificamerican02211880-113

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The Corundum Mines of North Carolina - p113

doi:10.1038/scientificamerican02211880-113a

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Why the Thunderer's Gun Burst - p113

doi:10.1038/scientificamerican02211880-113b

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Artificial Ice Skating Rink, New York.,and More - p113

doi:10.1038/scientificamerican02211880-113c

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Improved Revolving Derrick - p114

doi:10.1038/scientificamerican02211880-114

PDF (353 KB)

New Egg Beater - p115

doi:10.1038/scientificamerican02211880-115

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New Agricultural Engine - p115

doi:10.1038/scientificamerican02211880-115a

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Life Preserver Exhibitor - p115

doi:10.1038/scientificamerican02211880-115b

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Agricultural Inventions - pp115 - 116

doi:10.1038/scientificamerican02211880-115c

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American Industries—No 31 - p117

doi:10.1038/scientificamerican02211880-117

PDF (683 KB)

The Binary Absorption System of Refrigeration - p118

doi:10.1038/scientificamerican02211880-118

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New Steering Apparatus - p118

doi:10.1038/scientificamerican02211880-118a

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Marine and Land Hermit Crabs - pp119 - 121

A. W. Roberts

doi:10.1038/scientificamerican02211880-119

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The Steam Velocipede - p121

doi:10.1038/scientificamerican02211880-121

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The Electric Sun - p121

doi:10.1038/scientificamerican02211880-121a

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Miscellaneous Inventions - pp121 - 122

doi:10.1038/scientificamerican02211880-121b

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Engineering Inventions - p122

doi:10.1038/scientificamerican02211880-122

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