Table of contents
April 21, 1860, Volume 2 No 17 (New Series) pp257-272
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Dr. Normandys Improved Fresh Water Apparatus - pp257 - 258
doi:10.1038/scientificamerican04211860-257
Size and Population of the Principal Countries - p258
doi:10.1038/scientificamerican04211860-258c
Area and Population of the British Empire in Detail - p258
doi:10.1038/scientificamerican04211860-258d
The Obstruction to the Navigation of Rivers Caused by the Piers of Bridges - p262
J. W. Sprague
doi:10.1038/scientificamerican04211860-262
Polytechnic Association of the American Institute - p263
doi:10.1038/scientificamerican04211860-263
Warker's Apparatus for Impregnating Liquors with Carbonic Acid Gas - p264
doi:10.1038/scientificamerican04211860-264a