A New System of Gas Lighting - p351

doi:10.1038/scientificamerican06051875-351

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The Organic Origin of the Earth's Crust - p352

doi:10.1038/scientificamerican06051875-352

PDF (425 KB)

Progress of Rapid Transit in New York City - p352

doi:10.1038/scientificamerican06051875-352a

PDF (425 KB)

Great Guns - pp352 - 353

doi:10.1038/scientificamerican06051875-352b

PDF (541 KB)

The Distribution of Wealth - p353

doi:10.1038/scientificamerican06051875-353

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The Durability of Glass - p353

doi:10.1038/scientificamerican06051875-353a

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Scientific and Practical Information - p353

doi:10.1038/scientificamerican06051875-353b

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The Bessemer Channel Steamer - pp354 - 356

doi:10.1038/scientificamerican06051875-354

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Astronomical Notes - pp356 - 357

doi:10.1038/scientificamerican06051875-356

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Practical Mechanism - p357

Joshua Rose

doi:10.1038/scientificamerican06051875-357

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Improved Belt-Geared Cotton Press - p358

doi:10.1038/scientificamerican06051875-358

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New Sharpening Instrument - p358

doi:10.1038/scientificamerican06051875-358a

PDF (290 KB)

Improved Bucket Ear - p358

doi:10.1038/scientificamerican06051875-358b

PDF (290 KB)

Improved Hydrant - p358

doi:10.1038/scientificamerican06051875-358c

PDF (290 KB)

The Fatal Balloon Ascension - p359

doi:10.1038/scientificamerican06051875-359

PDF (382 KB)

Hood's Adjustable Brush Handle - p360

doi:10.1038/scientificamerican06051875-360

PDF (278 KB)

Eldridge's Self-Acting Key Fastener - p360

doi:10.1038/scientificamerican06051875-360a

PDF (278 KB)

Car Wheels - p360

doi:10.1038/scientificamerican06051875-360b

PDF (278 KB)

Hand Support for Sheep Shears - pp360 - 361

doi:10.1038/scientificamerican06051875-360c

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Recent American and Foreign Patents - p361

doi:10.1038/scientificamerican06051875-361

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Communications Received - p363

doi:10.1038/scientificamerican06051875-363

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