Table of contents
May 20, 1871, Volume 24 No 21 pp319-332
About the coverBusiness and Personal
Top of page
Top of pageArticles
Removal of the Obstructions at Hell Gate - pp319 - 320
doi:10.1038/scientificamerican05201871-319
A New Yorker in the Great Salt Mine of Cracow - p320
doi:10.1038/scientificamerican05201871-320
Rumford's Scientific Discoveries - pp321 - 322
doi:10.1038/scientificamerican05201871-321
The Earth Closet System—An Improved Earth Closet - p326
doi:10.1038/scientificamerican05201871-326a
The Water Supply of London—Sea Baths in Cities - p328
doi:10.1038/scientificamerican05201871-328a
Elasticity and Tensile Strength of Wrought Iron - p329
doi:10.1038/scientificamerican05201871-329
Launching of the Caisson for the New York Tower of the East River Bridge - p329
doi:10.1038/scientificamerican05201871-329a
Recent American and Foreign patents - pp330 - 331
doi:10.1038/scientificamerican05201871-330b
