Potters' Machinery— an Opening for Inventors - p208

doi:10.1038/scientificamerican10021880-208

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Burning of a Supposed Fireproof Building - p208

doi:10.1038/scientificamerican10021880-208a

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Conscientious Workers - pp208 - 209

doi:10.1038/scientificamerican10021880-208b

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The Photophone - p209

doi:10.1038/scientificamerican10021880-209

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The Social Science Association - p209

doi:10.1038/scientificamerican10021880-209a

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Improved Blacking Brush - p210

doi:10.1038/scientificamerican10021880-210a

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New Extension Stovepipe - p210

doi:10.1038/scientificamerican10021880-210b

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American Industries.—No. 56 - pp211 - 212

doi:10.1038/scientificamerican10021880-211

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Engineering Inventions - pp212 - 213

doi:10.1038/scientificamerican10021880-212

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Hints to the Young Steam Fitter - p213

W. M. J. Baldwin

doi:10.1038/scientificamerican10021880-213

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Mechanical Inventions - p213

doi:10.1038/scientificamerican10021880-213a

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Miscellaneous Inventions - p214

doi:10.1038/scientificamerican10021880-214

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Improvement in Railway Switches and Crossings - pp214 - 215

doi:10.1038/scientificamerican10021880-214a

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The Granny Whale - pp215 - 216

A. W. Roberts

doi:10.1038/scientificamerican10021880-215

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An Extra-Sensitive Thermometer - pp216 - 217

doi:10.1038/scientificamerican10021880-216

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Improvement in Water Gauges - pp217 - 218

doi:10.1038/scientificamerican10021880-217

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Agricultural Inventions - p218

doi:10.1038/scientificamerican10021880-218

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Communications Received - p219

doi:10.1038/scientificamerican10021880-219b

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