Improved Stave-Jointer - p377

doi:10.1038/scientificamerican12101859-377

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Another Arctic Expedition in Prospect - p377

doi:10.1038/scientificamerican12101859-377a

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Important Hints on Ventilation - p378

E. M. Richards, C.E.

doi:10.1038/scientificamerican12101859-378

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New Ideas on Air Navigation - p378

doi:10.1038/scientificamerican12101859-378a

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Mineral Products of Western Pennsylvania - pp378 - 379

doi:10.1038/scientificamerican12101859-378b

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The Great Meteor of 1807 - p379

doi:10.1038/scientificamerican12101859-379

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New Iron Furnace - p379

doi:10.1038/scientificamerican12101859-379a

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The Southern Lights - p379

doi:10.1038/scientificamerican12101859-379b

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High Railroad Speeds - p379

doi:10.1038/scientificamerican12101859-379c

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Our Precious Metals - p379

doi:10.1038/scientificamerican12101859-379d

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The Density and Temperature of Steam - p380

doi:10.1038/scientificamerican12101859-380

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Improved Ceiling Plates for Vaults - p381

doi:10.1038/scientificamerican12101859-381

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Is the Manufacture of Oil from Coal Profitable? - p381

doi:10.1038/scientificamerican12101859-381a

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Improved Bit Stock - p381

doi:10.1038/scientificamerican12101859-381b

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Notes on Foreign Inventions - p382

doi:10.1038/scientificamerican12101859-382

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Burning Oils - p382

doi:10.1038/scientificamerican12101859-382a

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Puddled Steel - p383

doi:10.1038/scientificamerican12101859-383

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Ferrum or True Iron - p383

doi:10.1038/scientificamerican12101859-383a

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Action of Heat-Diffusers - p383

doi:10.1038/scientificamerican12101859-383b

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A Column of Facts in Relation to Meteors - p383

doi:10.1038/scientificamerican12101859-383c

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Improved Machine for Picking Millstones - p384

doi:10.1038/scientificamerican12101859-384

PDF (238 KB)

Improvements in Tanning Wanted - p384

doi:10.1038/scientificamerican12101859-384a

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Completion of our First Volume - p385

doi:10.1038/scientificamerican12101859-385

PDF (360 KB)

Death of Washington Irving - p385

doi:10.1038/scientificamerican12101859-385a

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Almanacs - p385

doi:10.1038/scientificamerican12101859-385b

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Death of Professor Turner - p386

doi:10.1038/scientificamerican12101859-386

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Science and Art - p386

doi:10.1038/scientificamerican12101859-386a

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Technology and the Beautiful - p386

doi:10.1038/scientificamerican12101859-386b

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Foreign Summary—News and Markets - p387

doi:10.1038/scientificamerican12101859-387

PDF (304 KB)

Weekly Summary of Inventions - pp387 - 388

doi:10.1038/scientificamerican12101859-387a

PDF (746 KB)

Patent Claims - pp388 - 390

doi:10.1038/scientificamerican12101859-388

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Stempel's Trace Trimmer - p392

doi:10.1038/scientificamerican12101859-392

PDF (402 KB)

Combined Punch and Pinchers - p392

doi:10.1038/scientificamerican12101859-392a

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Colville's Improved Method of Adjusting Circular Saws - p392

doi:10.1038/scientificamerican12101859-392b

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