Amendment of the Patent Laws - p112

doi:10.1038/scientificamerican02251888-112

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American and British “Pirates” - pp112 - 113

doi:10.1038/scientificamerican02251888-112a

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An Improved Electric Bell - p114

doi:10.1038/scientificamerican02251888-114

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Electric Lighting of the Great Eastern - p114

doi:10.1038/scientificamerican02251888-114a

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An Improved Electric Circuit Closer - p114

doi:10.1038/scientificamerican02251888-114b

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Making Insulated Wires for Electrical Uses - pp115 - 116

doi:10.1038/scientificamerican02251888-115

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A Chair for Out-Door Use - p116

doi:10.1038/scientificamerican02251888-116

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An Improved Car Replacer and Portable Switch - p116

doi:10.1038/scientificamerican02251888-116a

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A Pipe Coupling for Kitchen Boilers - pp116 - 117

doi:10.1038/scientificamerican02251888-116b

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The Birthplace of James Watt - p117

doi:10.1038/scientificamerican02251888-117

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The Guns of the Benbow - pp118 - 119

doi:10.1038/scientificamerican02251888-118

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Lewis Muhlenberg Haupt - p119

C. H. H.

doi:10.1038/scientificamerican02251888-119

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Umbromania - pp120 - 121

doi:10.1038/scientificamerican02251888-120

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Engineering Inventions - p122

doi:10.1038/scientificamerican02251888-122

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Miscellaneous Inventions - p122

doi:10.1038/scientificamerican02251888-122a

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Special - p122

doi:10.1038/scientificamerican02251888-122b

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To Inventors - p123

doi:10.1038/scientificamerican02251888-123

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