Improved Traction Engine and Steam Plow - p289

doi:10.1038/scientificamerican11041868-289

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“On a Piece of Chalk”—A Lecture to Working-Men - pp290 - 291

Huxley, F. R. S., Etc.

doi:10.1038/scientificamerican11041868-290

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The Protuberances on the Sun - p292

doi:10.1038/scientificamerican11041868-292

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Editorial Summary - pp292 - 293

doi:10.1038/scientificamerican11041868-292a

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Sulphur—Its Uses in the Arts - pp293 - 294

doi:10.1038/scientificamerican11041868-293

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Manufacturing, Mining, and Railroad Items - p294

doi:10.1038/scientificamerican11041868-294

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Recent American and Foreign Patents - pp294 - 295

doi:10.1038/scientificamerican11041868-294a

PDF (794 KB)

Answer to Correspondents - p295

doi:10.1038/scientificamerican11041868-295

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To Inventors - p297

doi:10.1038/scientificamerican11041868-297

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Overwork and Underwork - p297

doi:10.1038/scientificamerican11041868-297a

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Something Worth Consideration - p297

doi:10.1038/scientificamerican11041868-297b

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Accurate Observation - p297

doi:10.1038/scientificamerican11041868-297c

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Some Suggestions on Workingmen's Combinations - p297

doi:10.1038/scientificamerican11041868-297d

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Ventriloquism - p298

doi:10.1038/scientificamerican11041868-298

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Manufacture of White Lead - p298

doi:10.1038/scientificamerican11041868-298a

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The Manufacture of Straw Board - p298

doi:10.1038/scientificamerican11041868-298b

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Wealth and its Source—A Graceful Recognition - pp298 - 299

doi:10.1038/scientificamerican11041868-298c

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Official Report of Patents and Claims - pp299 - 302

doi:10.1038/scientificamerican11041868-299

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Patents - pp302 - 303

doi:10.1038/scientificamerican11041868-302

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