Table of contents


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Contents

Correspondence

Correspondence pp163 - 164

doi:10.1038/scientificamerican09091868-163


Business and Personal

Business and Personal p167

doi:10.1038/scientificamerican09091868-167a


Patent Notes

Patents p176

doi:10.1038/scientificamerican09091868-176


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Articles

Improved Vertical Trip Hammer p161

doi:10.1038/scientificamerican09091868-161


Copper and Brass Working—The Ansonia Works pp161 - 162

doi:10.1038/scientificamerican09091868-161a


Manufacture of Indigo Carmine pp162 - 163

doi:10.1038/scientificamerican09091868-162


The Written Languages of Savages pp164 - 165

doi:10.1038/scientificamerican09091868-164


Recent Improvements in the Steam Engine Feeding Scoop for Locomotives pp165 - 166

doi:10.1038/scientificamerican09091868-165


Editorial Summary p166

doi:10.1038/scientificamerican09091868-166


Manufacturing, Mining, and Railroad Items p166

doi:10.1038/scientificamerican09091868-166a


Recent American and Foreign Patents pp166 - 167

doi:10.1038/scientificamerican09091868-166b


Answers to Correspondents p167

doi:10.1038/scientificamerican09091868-167


New Publications pp167 - 168

doi:10.1038/scientificamerican09091868-167b


Faries' Patent Supplemental Jaw for Screw Wrenches p168

doi:10.1038/scientificamerican09091868-168


Boardman's Device for Facing Nuts p168

doi:10.1038/scientificamerican09091868-168a


Improved Tumbling Barrel and Coal Sifter p168

doi:10.1038/scientificamerican09091868-168b


The Increase of Disease among Domestic Animals p169

doi:10.1038/scientificamerican09091868-169


The Sanitary Condition of Workshops and Manufactories p169

doi:10.1038/scientificamerican09091868-169a


Paper Collars p169

doi:10.1038/scientificamerican09091868-169b


Iron Rails on Common Wagon Roads pp169 - 170

doi:10.1038/scientificamerican09091868-169c


White Gunpowder p170

doi:10.1038/scientificamerican09091868-170


Examiners to be Examined p170

doi:10.1038/scientificamerican09091868-170a


The Bowery Explosion—The Engineer's Defence p170

doi:10.1038/scientificamerican09091868-170b


Our Planet—Its Past and Future p170

doi:10.1038/scientificamerican09091868-170c


Interesting Boring and Mining Experiments p170

doi:10.1038/scientificamerican09091868-170d


Patents and Claims pp170 - 174

doi:10.1038/scientificamerican09091868-170e


Extension Notices pp174 - 175

doi:10.1038/scientificamerican09091868-174


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