Table of contents
June 19, 1869, Volume 20 No 25 pp385-398
About the coverBusiness and Personal
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Apparatus for Removing the Obstructions from the Channel at Hell Gate - pp385 - 386
doi:10.1038/scientificamerican06191869-385
Aluminum—Its Mode of Working, and Alloys - p386
doi:10.1038/scientificamerican06191869-386
The Relation of Chemistry to Constructive Science - p393
doi:10.1038/scientificamerican06191869-393b
Manufacturing Mining and Railroad Items - p395
doi:10.1038/scientificamerican06191869-395a