The Manufacture of the Hammond Typewriter - p145

doi:10.1038/scientificamerican03071896-145

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Pending Trade Mark Legislation - pp146 - 147

doi:10.1038/scientificamerican03071896-146

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An Improved Electric Switch - p148

doi:10.1038/scientificamerican03071896-148

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An Insulator for Electric Wires - p148

doi:10.1038/scientificamerican03071896-148a

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A Portable Disinfecting Plant - pp148 - 149

W. H. Francis, PA. (M.A.S.M.E.)

doi:10.1038/scientificamerican03071896-148b

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An Improved Car Coupling - p149

doi:10.1038/scientificamerican03071896-149

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A New Recording Thermometer for Atmospheric Ranges of Temperature - p149

doi:10.1038/scientificamerican03071896-149a

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Mechanism for Propelling Small Boats - pp149 - 150

doi:10.1038/scientificamerican03071896-149b

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An Improved Music Leaf Turner - p151

doi:10.1038/scientificamerican03071896-151

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The Cabaret Du Neant - pp152 - 153

doi:10.1038/scientificamerican03071896-152

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A Miner's Tool and Candlestick - p153

doi:10.1038/scientificamerican03071896-153

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Practical Experiments for the Development of Human Flight - pp153 - 155

Otto Lilienthal

doi:10.1038/scientificamerican03071896-153a

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X Ray Photography - p155

doi:10.1038/scientificamerican03071896-155

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To Inventors - p157

doi:10.1038/scientificamerican03071896-157

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