Table of contents
June 6, 1863, Volume 8 No 23 (New Series) pp353-368
About the coverNotes and Queries
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Top of pageArticles
Improved Camera Obscura, New Products and New Fields for Northern Labor, and more - p353
doi:10.1038/scientificamerican06061863-353
A Demand for Improvements-Bring Out Your Inventions! - p361
doi:10.1038/scientificamerican06061863-361
The Construction of Armor Steamships - pp361 - 362
doi:10.1038/scientificamerican06061863-361c
