The American Public Health Association - p208

doi:10.1038/scientificamerican10051889-208

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The Professional and Practical Engineer - p208

doi:10.1038/scientificamerican10051889-208a

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The Nickel and Copper Mines at Sudbury, Ontario - pp208 - 209

doi:10.1038/scientificamerican10051889-208b

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Damage by Water in Peru - p209

doi:10.1038/scientificamerican10051889-209

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A Hand Exerciser for Pianists - p210

doi:10.1038/scientificamerican10051889-210

PDF (346 KB)

An Improved Ash Sifter - p210

doi:10.1038/scientificamerican10051889-210a

PDF (346 KB)

The Evans System of Frictional Gearing - p210

doi:10.1038/scientificamerican10051889-210b

PDF (346 KB)

An Improved Lamp - pp210 - 211

doi:10.1038/scientificamerican10051889-210c

PDF (643 KB)

An Improved High and Low Water Alarm - p211

doi:10.1038/scientificamerican10051889-211

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An Improved Price Indicator for Scales - p211

doi:10.1038/scientificamerican10051889-211a

PDF (326 KB)

The Remington-Lee Military Magazine Rifle - p211

doi:10.1038/scientificamerican10051889-211b

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An Improved Band Cutter and Feeder - pp211 - 212

doi:10.1038/scientificamerican10051889-211c

PDF (561 KB)

Building the Armored Cruiser Maine - p212

doi:10.1038/scientificamerican10051889-212

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An Improved Water Wheel - p213

doi:10.1038/scientificamerican10051889-213

PDF (288 KB)

An Improved Shutter Worker - p213

doi:10.1038/scientificamerican10051889-213a

PDF (288 KB)

Electro-Plating Dynamo - p213

doi:10.1038/scientificamerican10051889-213b

PDF (288 KB)

Improved Web Printing Machine - p214

doi:10.1038/scientificamerican10051889-214

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Mount Stephen - pp215 - 216

doi:10.1038/scientificamerican10051889-215

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Photographic Notes - p216

doi:10.1038/scientificamerican10051889-216

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The Seychelles Islands - p217

Nicolas Pike

doi:10.1038/scientificamerican10051889-217

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To Inventors - p219

doi:10.1038/scientificamerican10051889-219

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