Improved Horizontal Steam Engine, Potato Diggers - p207

doi:10.1038/scientificamerican04011871-207

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Artificial Jewelry - p208

doi:10.1038/scientificamerican04011871-208

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Annual Assay of the Coinage - p209

F. A. P. Barnard, LL. D.

doi:10.1038/scientificamerican04011871-209

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How do you Prove Your Plumb Rule? - p209

doi:10.1038/scientificamerican04011871-209a

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The “Luna” Moth - pp210 - 211

E. C. H. Day

doi:10.1038/scientificamerican04011871-210

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Egg Tongs - p211

doi:10.1038/scientificamerican04011871-211

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Device for Cleaning Traps in Soil Pipes - p211

doi:10.1038/scientificamerican04011871-211a

PDF (345 KB)

Combined Pruning Hook and Saw - p211

doi:10.1038/scientificamerican04011871-211b

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What becomes of all the Steel Pens?—Their Manufacture - pp212 - 213

doi:10.1038/scientificamerican04011871-212a

PDF (593 KB)

The Working of the New York Fire Department - pp213 - 214

doi:10.1038/scientificamerican04011871-213

PDF (677 KB)

Improved Door Stop - p214

doi:10.1038/scientificamerican04011871-214

PDF (445 KB)

Johnson's Improved Adjusting Plumb and Level - p214

doi:10.1038/scientificamerican04011871-214a

PDF (445 KB)

Improved Method of Attaching Knobs to Screws - pp214 - 215

doi:10.1038/scientificamerican04011871-214b

PDF (445 KB)

Practical Instruction in Mechanics and Physics - p215

doi:10.1038/scientificamerican04011871-215

PDF (291 KB)

Inspection of Steam Boilers in Ohio - p215

doi:10.1038/scientificamerican04011871-215a

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Progress of the Darien Ship Canal - p215

doi:10.1038/scientificamerican04011871-215b

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Scientific Education and Religion - p216

doi:10.1038/scientificamerican04011871-216

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Caisson for the New York End of the East River Bridge - p216

doi:10.1038/scientificamerican04011871-216a

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The Moral Lubricator - p216

doi:10.1038/scientificamerican04011871-216b

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Whiskey, New and Old - p216

doi:10.1038/scientificamerican04011871-216c

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Dangerous Dentistry - p216

doi:10.1038/scientificamerican04011871-216d

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Obituary Notices - p217

doi:10.1038/scientificamerican04011871-217

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Scientific Intelligence - p217

doi:10.1038/scientificamerican04011871-217a

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Preservation of Wood under Water - p217

doi:10.1038/scientificamerican04011871-217b

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Endless Platform Belt Railway for New York - p217

doi:10.1038/scientificamerican04011871-217c

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Queries - p217

doi:10.1038/scientificamerican04011871-217d

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Answers to Correspondents - p218

doi:10.1038/scientificamerican04011871-218

PDF (368 KB)

Applications for Extension of Patents - p218

doi:10.1038/scientificamerican04011871-218b

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Recent American and Foreign Patents - p219

doi:10.1038/scientificamerican04011871-219

PDF (481 KB)

Official List of Patents - pp219 - 220

doi:10.1038/scientificamerican04011871-219a

PDF (951 KB)