Table of contents
March 21, 1863, Volume 8 No 12 (New Series) pp177-192
About the coverNotes and Queries
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Top of pageArticles
Improved Screw Jack, the Tax Bill Amendment, and more - pp177 - 179
doi:10.1038/scientificamerican03211863-177
Do Inventions Benefit the Working Classes - p185
doi:10.1038/scientificamerican03211863-185
The Engineering Enterprise of London - pp185 - 186
doi:10.1038/scientificamerican03211863-185b
Hair and Wool—Their Nature and uses - pp186 - 187
doi:10.1038/scientificamerican03211863-186a
