Improved Screw and Stud machinery - pp213 - 214

doi:10.1038/scientificamerican04061867-213

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Treatment of Animal Refuse in Europe - p214

doi:10.1038/scientificamerican04061867-214

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Science familiarly Illustrated - p214

doi:10.1038/scientificamerican04061867-214a

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Editorial Summary - pp215 - 216

doi:10.1038/scientificamerican04061867-215

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Application of the Lever Escapement - p218

Jules D. Huguenin Vuillemin

doi:10.1038/scientificamerican04061867-218

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Recent American and foreign Patents - pp218 - 219

doi:10.1038/scientificamerican04061867-218a

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New Publications - p219

doi:10.1038/scientificamerican04061867-219

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Extension Notices - p219

doi:10.1038/scientificamerican04061867-219a

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Answers to Correspondents - p219

doi:10.1038/scientificamerican04061867-219b

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Swift&s Sash-Weight Attachment - p220

doi:10.1038/scientificamerican04061867-220

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Hutton and Mee&s Improved Blind Rod - p220

doi:10.1038/scientificamerican04061867-220a

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Caution - p221

doi:10.1038/scientificamerican04061867-221

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The Value of Mechanical Skill in the Arts - p221

doi:10.1038/scientificamerican04061867-221a

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The Teredo, or Ship Worm—Important Trial - p221

doi:10.1038/scientificamerican04061867-221b

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A Word about Almanacs - pp221 - 222

doi:10.1038/scientificamerican04061867-221c

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Gravel and Cement Mining - p222

doi:10.1038/scientificamerican04061867-222

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Patent Claims - pp222 - 228

doi:10.1038/scientificamerican04061867-222a

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Increased Force in the Patent Office - p228

doi:10.1038/scientificamerican04061867-228

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Scientific American - p228

doi:10.1038/scientificamerican04061867-228a

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