Table of contents
April 14, 1860, Volume 2 No 16 (New Series) pp241-256
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The Obstruction to the Navigation of Rivers Caused by the Piers of Bridges - p242
J. W. Sprague
doi:10.1038/scientificamerican04141860-242
Discoveries in the Composition of Gums - p242
doi:10.1038/scientificamerican04141860-242a
The Dishonesty of English Traders and Manufacturers - pp244 - 245
doi:10.1038/scientificamerican04141860-244c
The California Philosopher and His Steel Billiard Ball - p245
doi:10.1038/scientificamerican04141860-245a
Polytechnic Association of the American Institute - p247
doi:10.1038/scientificamerican04141860-247
Presentation of a Gold Snuff-Box to an Inventor - p249
doi:10.1038/scientificamerican04141860-249b
Childrens' Confidence—How they should be Treated - p250
doi:10.1038/scientificamerican04141860-250
New Mode of Converting Reciprocating Rectilinear into Rotary Motion - p256
doi:10.1038/scientificamerican04141860-256a
