The Burdict Bolt Heading Machine - p143

doi:10.1038/scientificamerican09021871-143

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The Dangers of Sewage Irrigation - pp143 - 144

doi:10.1038/scientificamerican09021871-143a

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Plaster of Paris Manufacture - p144

doi:10.1038/scientificamerican09021871-144

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Teeth - p145

doi:10.1038/scientificamerican09021871-145

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The Road Steamer and Omnibus - p146

doi:10.1038/scientificamerican09021871-146

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Anchor Beam Support for Brick Walls - p146

doi:10.1038/scientificamerican09021871-146a

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The New Hotel Cairo Egypt - pp147 - 148

doi:10.1038/scientificamerican09021871-147

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Occasional Notes - pp149 - 150

G. E. H.

doi:10.1038/scientificamerican09021871-149

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Dugdale's Universal Clothes Washer - p150

doi:10.1038/scientificamerican09021871-150

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Stanislas Sorel - p151

doi:10.1038/scientificamerican09021871-151

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New York Police Inspection of Boilers - p151

doi:10.1038/scientificamerican09021871-151a

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Steam Boiler Legislation in England - p151

doi:10.1038/scientificamerican09021871-151b

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Is the World Round or Flat ? - pp151 - 152

doi:10.1038/scientificamerican09021871-151c

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The Grahamite Asphalt Pavement - p152

doi:10.1038/scientificamerican09021871-152

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Scientific Intelligence - pp152 - 153

doi:10.1038/scientificamerican09021871-152a

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Editorial Summary - p153

doi:10.1038/scientificamerican09021871-153

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Answers to Correspondents - p154

doi:10.1038/scientificamerican09021871-154

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Queries - pp154 - 155

doi:10.1038/scientificamerican09021871-154a

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Recent American and Foreign patents - p155

doi:10.1038/scientificamerican09021871-155

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Applications for Extension of Patents - p155

doi:10.1038/scientificamerican09021871-155a

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Official List of patents - pp155 - 156

doi:10.1038/scientificamerican09021871-155b

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