Table of contents
April 7, 1860, Volume 2 No 15 (New Series) pp225-240
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The Obstruction to the Navigation of Rivers Caused by the Piers of Bridges - p226
J. W. Sprague
doi:10.1038/scientificamerican04071860-226
The Presence of Silver in the Waters of the Sea - p227
doi:10.1038/scientificamerican04071860-227
Can Particles of Matter be Inhaled into the Lungs? - p227
doi:10.1038/scientificamerican04071860-227b
Liabilities of Companies for Accidents - p229
doi:10.1038/scientificamerican04071860-229a
Polytechnic Association of the American Institute - p231
doi:10.1038/scientificamerican04071860-231
Applications for the Extension of Patents - p231
doi:10.1038/scientificamerican04071860-231a
Patent Extensions—Curious Paragraph—Commissioner Thomas - p233
doi:10.1038/scientificamerican04071860-233a
Agricultural Science—Top Dressings Blanching Vegetables - pp233 - 234
doi:10.1038/scientificamerican04071860-233b
Another Awful Calamity—Ten Persons Burned to Death! - p240
doi:10.1038/scientificamerican04071860-240